Prof. Dr. Wilfried Sommer

Professor of School Pedagogy with a focus on phenomenological teaching methods

Field: Educational Science, Childhood Education, Art and Waldorf Education / Department of Educational Sciences
Academic Director of the Institute for Subject Didactics, an affiliated institute of Alanus University of Arts and Social Sciences in Kassel

Porträtfoto in schwarz-weiß von Prof. Dr. Wilfried Sommer

Biography

Lectures

2025

Waldorf Education and the Importance of Self-Initiative in Early Childhood and Adolescence. Invited lecture and seminar series. Sloka, The Education Renaissance Trust, Hyderabad, India.
Disembodiment as an Occasion to Become an Embodied Self. Invited lecture at the symposium “Music, Language, Movement.” Pädagogische Forschungsstelle, Kassel.
Compulsory Elective Lessons in the Online Upper School Campus – Experiences and Perspectives. Lecture at the 17th International Refresher Course Week for Upper School Teachers in Kassel together with Dirk Rohde.
Being Myself and Seeing Oneself. A Tension at the Core of Our Selfhood. Opening lecture at the 31st Kassel Youth Symposium »Me, who?«.
The body at the center of teaching and learning. Reconsidering Waldorf educational practices within different anthropological frameworks. Lecture at the congress Human Intelligence, International Network for Academic Steiner Teacher Education, Vienna.
The Atom as an Interrelationship of Substance and Form – Local Descriptive Approaches at the Transition from Embedded to Detached Perspective. Invited lecture at the conference open eyes 2025, University of Wuppertal.
Context-Based Approaches to the Atom – a Pilot Project as Hybrid Teaching in the Online Upper School Campus. Invited lecture at Freie Waldorfschule Marburg (80th anniversary).
Teacher Training Course. Invited lecture and seminar series, Hai Siann Anthroposophy Education Foundation, Taichung City, Taiwan.
How high school capable is Waldorf? International Campus Waldorf hosted by Alanus Hochschule für Kunst und Gesellschaft, Alfter. Invited lecture, together with Prof. Dr. Dirk Rohde

2024

The Atom – Contextual Approach. Pilot Project: Hybrid High School Teaching. International Campus Waldorf hosted by Alanus Hochschule für Kunst und Gesellschaft, Alfter. Invited lecture, together with Prof. Dr. Dirk Rohde.
Future-Proof through Waldorf Education!? Invited lecture at Waldorfschule Seewalde.
The art of education today. Invited discussion contribution at the Goetheanum Worldwide Teacher Education Conference: Inspiring Development. Dornach, Switzerland.
Self-Awareness and Learning in the Harmony of Lived Body and Physical Body. Perspectives from Research and Teaching. Invited lecture at the general assembly of the Federation of Waldorf Schools in Hildesheim.
Summer Teacher Training Course. Invited lecture and seminar series, Hai Siann Anthroposophy Education Foundation, Taichung City, Taiwan.

2023

Matter as an Interrelationship between Substance and Form. An Offering of Waldorf Education to »Fridays for Future«. Opening lecture at the 15th International Refresher Course Week for Upper School Teachers in Kassel.
Learning in the Harmony of Lived Body and Physical Body. Invited lecture at the World Teachers‘ Conference in Dornach, Switzerland.
Being Able to Focus: the Will as a Relational Force. Invited lecture in the seminar of the Atelierschule. Zurich, Switzerland.
How can the will be addressed in educational processes less as an instance of implementation and more as a process of growth? Invited workshop in the seminar of the Atelierschule. Zurich, Switzerland.
Aspects of Phenomenological Anthropology as a Framework for Science Education Processes. Invited lecture at the Institut de Formation à la Pédagogie Steiner-Waldorf DIDASCALI, Avignon, France.
Les sciences en classes moyennes aux grandes classes. Invited seminar series at the Institut de Formation à la Pédagogie Steiner-Waldorf DIDASCALI, Avignon, France.
High School Teacher Training – Science Module. Invited lecture and seminar series: Beijing Zhilianhzji Education and Consultancy Co. Ltd., Beijing, China.
Phenomenology meets Art. Seminar with Hou Ying, Hou Ying Dance Theater, Beijing, China.
Aspects of a Waldorf Educational Profile in the Upper Secondary Level of the Freie Waldorfschulen in Hesse. Invited lecture at the Upper School Day of the Regional Association of Freie Waldorfschulen in Hesse, Wiesbaden.
The Embodied Self on the Path from Kindergarten through Physics Lessons to the Dialogical Human Being. Invited lecture at Waldorfschule Chemnitz.

2022

Forming Judgements in the Age of Puberty. Opening Lecture 14^th International Refresher Course Week, Kassel.
Understanding Born in the Resonant Space of Embodiment. An Anthropological and Ecological Sketch. Lecture at the congress Realizing Humanity, International Network for Academic Steiner Teacher Education, Vienna.

2021

The genuine, interpersonal dimension of the interpersonal gaze – Shared attentiveness. Invited opening lecture for the winter module in the China Waldorf High School Teacher Training Programme.
New Research on Embodiment and Thinking: Abstract Learning and its Bodily Resonance. Opening Lecture 13^th International Refresher Course Week, Kassel.
Figures of Resonance as Figures of Knowledge. Opening lecture at the Kassel Youth Symposium »Conditio humana«.
See also: https://www.youtube.com/watch?v=MxVQ-HrAJWo
and https://www.youtube.com/watch?v=9DhDgEwXRYo.
Physique en classes 6 à 8. La transition des classes moyennes aux grandes classes. Invited seminar series at the Institut de Formation à la Pédagogie Steiner-Waldorf DIDASCALI, Avignon, France.
Teaching Physics Phenomenologically. Invited lecture series at Steinerhøyskolen, Oslo, Norway.
See also: https://www.youtube.com/channel/UC9AkGVeKFVGAqkd2Q-rv8Ug
Interdisciplinary Development of Topics for Teaching in Grades 11 and 12. Invited lecture and seminar series at Atelierschule Zurich. ARGE of Steiner Schools in Switzerland and Liechtenstein.
On the Role of Perception in Educational Processes. Invited lecture at the pedagogical conference of Freie Waldorfschule Kassel.
On the Role of Experimentation within the Framework of Phenomenological Teaching Concepts. Invited lecture at the DPG teacher training course Physics Experiments in School Practice: Which? Why? How? When? at the Physics Center Bad Honnef.
Weakness as an Initial Spark. Invited workshop; bayreuther dialoge: power – weak – meaning. University of Bayreuth, Institute of Philosophy.
The Dialogical Dimension of General Didactics in Steiner Waldorf Education. International Campus Waldorf hosted by Alanus Hochschule für Kunst und Gesellschaft, Alfter.
See also: https://www.youtube.com/watch?v=o4wavU_WSvk

2020

High School Teachers Conference 2020. Invited lecture and seminar series, Center for Contextual Studies, Santa Rosa, USA
Swiss Teacher Training for Middle Schools. Invited lecture and seminar series: ARGE of Steiner Schools in Switzerland and Liechtenstein.
Figures of Resonance of the Embodied Self – Anthropological Perspectives of Waldorf Education. Lecture in the graduate program in Waldorf education at Alanus Hochschule für Kunst und Gesellschaft, Alfter.
Face-to-Face Teaching – a Plea. Invited workshop on the anthropology of face-to-face teaching; bayreuther dialoge: Thinking Boundaries, De-Bounding Thinking. University of Bayreuth, Institute of Philosophy.

2019

What Forms the Backbone of Upper School Teaching? – A Plea for Clear Self-Demands. Lecture at the 11th International Refresher Course Week for Upper School Teachers in Kassel.
Physics Teaching at Waldorf Schools. A Balance Sheet after 100 Years. Invited keynote lecture at the Spring Conference 2019 of the German Physical Society, Division of Physics Education, Aachen.
Reincarnation and Karma as a Consequence of Steiner’s Idea-Realist Conception of the Will. Lecture in the project Anthropology of Waldorf Education and Anthroposophical Curative Education. Pädagogische Forschungsstelle in the Federation of Waldorf Schools, Stuttgart
The Main Lesson as a General Didactic Framework at Waldorf Schools. Invited lecture in the lecture series “Educational Science & Waldorf Education,” Philipps University Marburg, Department of Educational Sciences.
High School Teacher Training – Science Module. Invited lecture and seminar series: Beijing Zhilianhzji Eduction and Consultancy Co. Ltd., Beijing, China.

2018

From Phenomena to Insight V. Invited lecture and seminar series: Science Teachers‘ Working Conference, Center for Contextual Studies, Santa Rosa, USA.
The Embodied and the Digital Space. Invited lecture at Freie Waldorfschule Offenburg.
Holistic Education in the Age of Digitalization. Invited lecture at Freie Waldorfschule Wangen.
The Lived Body as Appropriated World and Personal Body – Remarks on the Relationship between Self and Lived Body. Lecture in the project Anthropology of Waldorf Education and Anthroposophical Curative Education. Pädagogische Forschungsstelle in the Federation of Waldorf Schools, Stuttgart.
High School Teacher Training – Science Module. Invited lecture and seminar series: Beijing Zhilianhzji Eduction and Consultancy Co. Ltd., Beijing, China.
Swiss-Italian Teacher Training for Middle Schools. Invited lecture and seminar series: ARGE of Steiner Schools in Switzerland and Liechtenstein.
The Will as a Relational Force – Remarks on Conscious and Unconscious Forms of this Force. Lecture in the project Anthropology of Waldorf Education and Anthroposophical Curative Education. Pädagogische Forschungsstelle in the Federation of Waldorf Schools, Stuttgart.
Light in Art and Science. Opening lecture at the 19th Kassel Youth Symposium.

2017

From Phenomena to Insight IV. Invited lecture and seminar series: Waldorf Science Teachers‘ Conference, Center for Contextual Studies, Santa Rosa, USA.
Substances as Resting Processes and Atoms as Spatialized Energy Balances. Lecture at the 9th International Refresher Course Week for Upper School Teachers in Kassel together with Dirk Rohde.
High School Teacher Training – Science Module. Invited lecture and seminar series: Beijing Zhilianhzji Eduction and Consultancy Co. Ltd., Beijing, China.
High School Education for Students – Higher Education for High School Teachers – Evaluation of the situation and proposal how to proceed. Lecture in the International Network for Academic Steiner Teacher Education.
Phenomenology as a Teaching Approach and Form of Science in Waldorf Education. Lecture in the graduate program in Waldorf education at Alanus Hochschule für Kunst und Gesellschaft, Alfter.
Space as Immediate Experience and Philosophical Idea. Lecture at the 17th Kassel Youth Symposium.

2016

Transformative Educational Processes in Waldorf Education. A First Approximation. Invited lecture by the language teachers’ initiative circle in the Federation of Waldorf Schools. Conference venue: Kassel.
Form of Science in Anthroposophy. Lecture within the lecture series “Foundations of Anthroposophy” at Alanus Hochschule für Kunst und Gesellschaft, Alfter.
From Corona to Diffraction Pattern: Transitions between Order and Disorder. Invited lecture at the teacher training course “Light, Image and Color” of the German Physical Society, Physics Center Bad Honnef.
Opening the Book of Nature Itself – Physics Teaching. Invited lecture at the Frankfurt Book Fair, Hotspot Education.
The Main Lesson as a General Didactic Framework in Waldorf Education. Performative and Educational-Theoretical Aspects. Lecture at the conference “Waldorf Education and Educational Science – Current Position and Perspectives,” Alanus Hochschule für Kunst und Gesellschaft, Alfter.
Phaeno. Invited lecture series at the beginning-of-school-year conference on the topic of phenomenology at Rudolf Steiner Schule Berlin.
This Is Too Abstract for Me – The Adventure of Natural Science. Lecture within the lecture series “Kinder, Kinder!” on educational issues at Alanus Hochschule für Kunst und Gesellschaft, Alfter.
Practicing Phenomenology in Teaching Science: Performance Art that Evokes Insight. Invited lecture at the Nature Institute, Ghent, USA.
Being There When Phenomena Enchant and Laws Are Discovered – Cognitive Challenges in Physics Teaching Based on a Performative Approach. Invited lecture at Freie Waldorfschule Saar-Pfalz Bexbach.
Upper School Teaching as an Event of Incarnation. A Research Report. Lecture at the 8th International Refresher Course Week for Upper School Teachers in Kassel.
From Phenomena to Insight III. Invited lecture and seminar series: Waldorf Science Teachers‘ Conference, Center for Contextual Studies, Santa Rosa, USA.
Being There When a Universal Is Discovered in the Particular: Grasping Moments of Encounter Performatively and Standing Independently in Knowledge. Invited lectures at the pedagogical weekend of Freie Waldorfschule Lübeck.

2015

From Phenomena to Insight II. Invited lecture and seminar series: Waldorf Science Teachers‘ Conference, Center for Contextual Studies, Santa Rosa, USA.
On the Self-Demand of Freedom in Grade 12. Opening lecture at the 7th International Refresher Course Week for Upper School Teachers in Kassel.
On the Role of Embodied Learning in View of Increasing Information Networking. How Can Teaching Be Designed to Create Balance without Being Backward? Lecture at the congress “Transformations. Education in a Changing World,” European Network for Academic Steiner Teacher Education, Vienna.
Being There When Phenomena Enchant and Laws Are Discovered – Cognitive Challenges in Performative Physics Teaching. Invited lecture at the Alfried Krupp Wissenschaftskolleg Greifswald.
Shaping Goethean Science in Relation to Society. Invited lecture at the conference “Evolving Science 2015” of the Natural Science Section at the Goetheanum, Dornach, Switzerland.
Magdeburg’s Mayor and the Flight to the Moon and Does the Image of the Moon in the Telescope Exist Even When No One from Magdeburg Is Looking at It? Invited lectures during the anniversary week of Freie Waldorfschule Magdeburg.
The Loving Gaze. Opening lecture at the 13th Kassel Youth Symposium.

2014

The approach of phenomenological teaching methods. Invited lecture at a meeting of the European Network for Academic Steiner Teacher Education, University of Applied Sciences, Leiden.
From Phenomena to Insight. Invited lecture and seminar series: Waldorf Science Teachers‘ Conference, Center for Contextual Studies, Santa Rosa, USA.
How Can Diffraction Experiments Prepare “Which-Way Experiments”? Invited lecture at the working days for physicists and physics teachers. Organizer: Natural Science Section at the Goetheanum, Dornach, Switzerland.
On the Introduction of the Orbital Concept Using the Linear Potential Well. Invited lecture at the working days for physicists and physics teachers. Organizer: Natural Science Section at the Goetheanum, Dornach, Switzerland.
Subject Learning in the Main Lesson as an Artistic Life Process. Lecture at the 6th International Refresher Course Week for Upper School Teachers in Kassel.
Learning a Subject as an Artistic Life Process. Invited lecture at a meeting of the European Network for Academic Steiner Teacher Education, Zentrum für Kultur und Pädagogik, Vienna.
Personal Perception in the Perspective of Phenomenological Anthropology. Invited lecture at the pedagogical conference of Freie Waldorfschule Kassel.
Perspectives of a Performative View of Phenomenological Teaching Approaches. Subject didactics colloquium. Institute for Subject Didactics at Alanus Hochschule für Kunst und Gesellschaft, Kassel.
On the Role of Performativity in Phenomenological Teaching Approaches. Invited lecture at Freie Waldorfschule Offenburg.
Demanding Subject Learning as an Artistic Process. Challenges for the Main Lesson. Invited lecture at the training conference of the Federation of Waldorf Schools in Dresden.
Aesthetic Educational Processes in the Main Lesson of Grades 1–12. Invited lecture series at the pedagogical conference of Freie Waldorfschule Kassel.
Phenomenological Approach to Voltage and Current. Invited lecture at the physics topic day Niedersachsen/Bremen at Freie Waldorfschule Maschsee, Hanover.

2013

The Atom: Ideal Construct or Building Block of Nature? Tasks in Science Teaching in Grade 11. Lecture at the 5th International Refresher Course Week for Upper School Teachers in Kassel.
Main Lesson in the Upper School of Freie Waldorfschulen: A Performative Conception for Cognitive Subject Learning? Lecture at the congress “The Educator’s View of the Human Being,” Vienna.
Appreciation: A Performative Culture of Encountering the Universal in the Particular. Invited lecture at the specialist conference of the Systemic Institute Kassel.
Perspectives of a Performative View of Phenomenological Teaching Approaches. Invited lecture at the upper school colloquium of the Pedagogical Section at the Goetheanum, Dornach, Switzerland.
Life between Play and Trust. Lecture at the 9th Kassel Youth Symposium.

2012

Being There When the Laws Are Found. Dialogical Thinking in Science Teaching. Invited lecture at the Forum for Educational Questions, Kassel.
Orientation toward Body and Spirit in the Upheaval of Puberty – On Designing Lessons in History and Physics. Lecture together with M. Zech at the 4th International Refresher Course Week for Upper School Teachers in Kassel.
How Do Phenomenological Teaching Concepts Initiate Movements of Learning and Knowing? Invited lecture at the training conference “Physics and Spiritual Science” of Freie Hochschule Stuttgart.
The Study of the Four Elements as a Path to Spiritual Activity. Lecture at the conference “Spiritual Values in Higher Education – Contemplative Inquiry in Teaching, Learning and Research”, Amherst College, Amherst, MA, USA.
Cognitive Subject Learning in the Upper School as Artistic Teaching. Invited lecture at the “Upper School Day” of the Regional Association of Freie Waldorfschulen in Hesse, Künzell/Fulda.
Waldorf Education as a Perspective of the Performative. Invited lecture at the language teachers’ meeting at Freie Waldorfschule Frankfurt am Main.
Paths to the Concept of the Atom in Physics Teaching. Invited lecture series at the conference “What Kind of Reality Do Atoms Have? – 100 Years of the Bohr Atomic Model.” Organizer: Natural Science Section at the Goetheanum, Dornach, Switzerland. Venue: Witten, Germany.
Generating Scientific Knowledge in Optics via Phenomenology. Invited plenary lecture at the second International STENCIL Conference (Science Teaching European Network for Creativity and Innovation in Learning). Schülerforschungszentrum Nordhessen at the University of Kassel.
Time: Pendulum Swing between Now and Eternity. Opening lecture at the 7th Kassel Youth Symposium.

2011

Phenomenology of Diffraction Phenomena with a View to the Fourier Transformation. Invited lecture series at the working days for physicists and physics teachers. Organizer: Natural Science Section at the Goetheanum, Dornach, Switzerland.
Cognitive Learning Movements as Life Processes. Lecture at the congress “2020 The Future of Teacher Education”, Vienna.
Physics and the Art of Spearfishing: An Experimental Series on Refraction and Apparent Elevation. Invited lecture at Schülerforschungszentrum Nordhessen, Kassel.
Seeing through Periodic Structures: From Simple Freehand Diffraction Experiments to the Three-Dimensional Lattice. Invited lecture and “Pizza with the Prof” at PhysikClub Kassel.
Philosophically Alert and Present Down to the Smallest Detail – How Does the Power of Judgment Reach Maturity in Grade 12? Lecture at the 3rd International Refresher Course Week for Upper School Teachers in Kassel.
Energy – External Balance Quantity and Inner Resource. Opening lecture at the 4th Kassel Youth Symposium.
“Be there when the laws of nature are discovered!” – The approach of phenomenological teaching methods. Invited lecture at the conference „Methodenoptimierung für innovativen Unterricht in Naturwissenschaft und Mathematik“, Vienna.
Physics: Speaking Experiments Considered Dialogically. Invited lecture at the congress “Learning through Encounter – The Challenge of Upper School” in Hanover. Organizer: Federation of Waldorf Schools.

2010

What Tasks Will Future Upper Schools of Freie Waldorfschulen Face? Invited lecture at the federal conference of the Federation of Waldorf Schools, Mülheim.
Experimentum crucis – Multiple Application of a Spectral Operator. Invited commentary at the workshop exprimentum lucis, Humboldt University of Berlin.
Representation and Will as a Psychic Field of Tension in Grade 11. How Does Science Teaching Address This? Lecture at the 2nd International Refresher Course Week for Upper School Teachers in Kassel.

2009

The Grating Spectrometer – Genetically Developed Following Suggestions by Martin Wagenschein. Conference of the DPG (Division of Physics Education) in Bochum.
Life Processes of the Embodied Self in Judging – Waldorf Education and Constructivism in Dialogue. Lecture at the 1st International Refresher Course Week for Upper School Teachers in Kassel.
Generating Scientific Knowledge in Optics via Phenomenology. ESERA 2009 Conference, Istanbul.
What Is Reality? – Asking Philosophical Questions, Acting with Perspective. Opening lecture at the 1st Kassel Youth Symposium.

Publications

2025

Contexts of the Atom – Interrelationships of Substance and Form. A Phenomenological Position. The Atom in Context – Interrelationships between Substance and Form. A Phenomenological Approach. Stuttgart: Pädagogische Forschungsstelle 2025.
Compulsory Elective Lessons in the Online Upper School Campus. Pilot Project: Context-Based Approaches to the Atom. Research on Steiner Education 15/II, 60-69 (2025).
Elective Lessons in the Online Upper School Campus. Pilot Project: Context-based Approaches to the Atom. Research on Steiner Education 15/II, 70-78 (2025).
Vertical Framework Curriculum for Physics. In: Richter, Tobias (Ed.): Educational Mission and Learning Objectives – from the Waldorf School Curriculum. Stuttgart: Verlag Freies Geistesleben 2025.

2023

Teaching Approaches in Waldorf Education. In: Schieren, Jost (Ed.): Handbook of Research on Waldorf Education. New York and London: Routledge 2023.

2022

Physik 10. Klasse | Physics 10th Grade. Statik – Kinematik – Dynamik | Statics – Kinematics – Dynamics. Stuttgart: Pädagogische Forschungsstelle 2022.

2021

Figures of Resonance of the Embodied Self. Essays on Anthropological Perspectives of Waldorf Education. Weinheim, Basel: Beltz 2021.
Figures of Resonance as Figures of Knowledge. An Essay on 100 Years of Upper School Teaching at Waldorf Schools. Stuttgart: Pädagogische Forschungsstelle 2021.
On the General Didactics of Waldorf Education and Klafki’s Educational-Theoretical Approaches with Special Consideration of the Main Lesson as a General Didactic Framework. In: Rohde, Dirk (Ed.): Waldorf Education – A Stocktaking. Studies in Educational Science. Weinheim, Basel: Beltz 2021.
Learning to Accept Otherness in Order to Become Independent. Upper School Teaching between Encounter and Knowledge. Erziehungskunst 9/85: 15-18 (2021).
Upper School Profile. Opening Paths of Deepening, Entering New Territory. Erziehungskunst 10/85: 20-23 (2021).
A Committed Affair with the Now – Youth and Teaching. Erziehungskunst
spezial 7,8/84: 9-12 (2020).
(with Florian Schulz): What Happens in Semiconductors? Erziehungskunst 3/84: 27-28 (2020).
Karma as a Consequence of Steiner’s Idea-Realist Conception of the Will. Stuttgart, Pädagogische Forschungsstelle: http://ars-studien.de/veroeffentlichungen/.
Perception as Bodily Dynamics and Embodied Consciousness of Personal Orientation toward the World. Stuttgart, Pädagogische Forschungsstelle: http://ars-studien.de/veroeffentlichungen/.
Physics in Waldorf Schools. Teaching Physics Phenomenologically. Stuttgart, Pädagogische Forschungsstelle 2020.
Phase Transition Water/Steam. Instructions for the Steam Lifter – Physics Grade 9 – Volume 2. Stuttgart, Pädagogische Forschungsstelle 2020.
Risk Assessments for Physics Experiments Grade 8. Kassel, Lehrerseminar für Waldorfpädagogik: www.lehrerseminar-forschung.de Downloads and at Pädagogische Forschungsstelle within the Federation of Waldorf Schools: www.forschung-waldorf.de/service/downloadbereich/gefaehrdungsbeurteilungen/
gefaehrdungsbeurteilungen-physik/.
Risk Assessments for Physics Experiments Grade 7. Kassel, Lehrerseminar für Waldorfpädagogik: www.lehrerseminar-forschung.de Downloads and at Pädagogische Forschungsstelle within the Federation of Waldorf Schools: www.forschung-waldorf.de/service/downloadbereich/gefaehrdungsbeurteilungen/
gefaehrdungsbeurteilungen-physik/.
Risk Assessments for Physics Experiments Grade 6. Kassel; Lehrerseminar für Waldorfpädagogik: www.lehrerseminar-forschung.de Downloads and at Pädagogische Forschungsstelle within the Federation of Waldorf Schools: www.forschung-waldorf.de/service/downloadbereich/gefaehrdungsbeurteilungen/
gefaehrdungsbeurteilungen-physik/.
The Lived Body as Appropriated World and Personal Body: Remarks on the Relationship between Self and Lived Body. Stuttgart, Pädagogische Forschungsstelle: http://ars-studien.de/veroeffentlichungen/.
The Will as a Relational Force: Remarks on Conscious and Unconscious Forms of this Force. Stuttgart, Pädagogische Forschungsstelle: http://ars-studien.de/veroeffentlichungen/.
Teaching Physics Phenomenologically. Electricity and the Practice of Embodied Learning. Kassel, Pädagogische Forschungsstelle 2019.
Waldorf Teacher Education for High School Teachers. Vienna, International Network for Academic Steiner Teacher Education 2019.
Dancing Waltzes. Layers of Consciousness in Teaching. Erziehungskunst 11/83: 5-9 (2019).

2020

A Committed Affair with the Now – Youth and Teaching. Erziehungskunst
spezial 7,8/84: 9-12 (2020).
(with Florian Schulz): What Happens in Semiconductors? Erziehungskunst 3/84: 27-28 (2020).
Karma as a Consequence of Steiner’s Idea-Realist Conception of the Will. Stuttgart, Pädagogische Forschungsstelle: http://ars-studien.de/veroeffentlichungen/.
Perception as Bodily Dynamics and Embodied Consciousness of Personal Orientation toward the World. Stuttgart, Pädagogische Forschungsstelle: http://ars-studien.de/veroeffentlichungen/.
Physics in Waldorf Schools. Teaching Physics Phenomenologically. Stuttgart, Pädagogische Forschungsstelle 2020.
Phase Transition Water/Steam. Instructions for the Steam Lifter – Physics Grade 9 – Volume 2. Stuttgart, Pädagogische Forschungsstelle 2020.

2019

Risk Assessments for Physics Experiments Grade 8. Kassel, Lehrerseminar für Waldorfpädagogik: www.lehrerseminar-forschung.de Downloads and at Pädagogische Forschungsstelle within the Federation of Waldorf Schools: www.forschung-waldorf.de/service/downloadbereich/gefaehrdungsbeurteilungen/
gefaehrdungsbeurteilungen-physik/.
Risk Assessments for Physics Experiments Grade 7. Kassel, Lehrerseminar für Waldorfpädagogik: www.lehrerseminar-forschung.de Downloads and at Pädagogische Forschungsstelle within the Federation of Waldorf Schools: www.forschung-waldorf.de/service/downloadbereich/gefaehrdungsbeurteilungen/
gefaehrdungsbeurteilungen-physik/.
Risk Assessments for Physics Experiments Grade 6. Kassel; Lehrerseminar für Waldorfpädagogik: www.lehrerseminar-forschung.de Downloads and at Pädagogische Forschungsstelle within the Federation of Waldorf Schools: www.forschung-waldorf.de/service/downloadbereich/gefaehrdungsbeurteilungen/
gefaehrdungsbeurteilungen-physik/.
The Lived Body as Appropriated World and Personal Body: Remarks on the Relationship between Self and Lived Body. Stuttgart, Pädagogische Forschungsstelle: http://ars-studien.de/veroeffentlichungen/.
The Will as a Relational Force: Remarks on Conscious and Unconscious Forms of this Force. Stuttgart, Pädagogische Forschungsstelle: http://ars-studien.de/veroeffentlichungen/.
Teaching Physics Phenomenologically. Electricity and the Practice of Embodied Learning. Kassel, Pädagogische Forschungsstelle 2019.
Waldorf Teacher Education for High School Teachers. Vienna, International Network for Academic Steiner Teacher Education 2019.
Dancing Waltzes. Layers of Consciousness in Teaching. Erziehungskunst 11/83: 5-9 (2019).

2018

The Geyser as a School Experiment. Experimental and Didactic Notes. The Geyser: An Experiment for the School. Experimental and Didactic Aspects. Kassel, Pädagogische Forschungsstelle 2018.
On the role of embodied learning in light of the rise of information networks. Center for Contextual studies: www.findingcontext.org.
Teaching Methodology in Physics with Regard to the Embodied Self. In: Landl, R. (Ed.): Setting Out into the World. Waldorf Educational Foundations of the Upper School with Teaching Examples. Dornach: Verlag am Goetheanum 2018.
Risk Assessments for Physics Experiments Upper School. Kassel, Lehrerseminar für Waldorfpädagogik: www.lehrerseminar-forschung.de Downloads and at www.forschung-waldorf.de/service/downloadbereich/gefaehrdungsbeurteilungen/
gefaehrdungsbeurteilungen-physik/.
Subject Didactic Contributions – Physics. In: Sigler, Stephan, Sommer, Wilfried & Zech, Michael (Eds.): Handbook of Upper School Teaching at Waldorf Schools. Weinheim, Basel: Beltz 2018.

2017

On the Role of General Didactics in Waldorf Education. Encyclopedia of Educational Science Online. Weinheim, Basel: Beltz Juventa 2017.
Hand-held Experiments with Diffraction. From corona to diffraction pattern: a transition from disorder to order. Kassel: Pädagogische Forschungsstelle 2017.
Introductory Experiments on Current. Notes for Use in Teaching. Kassel: Pädagogische Forschungsstelle 2017.

2016

Overarching Aspects and General Teaching Objectives for Physics and Chemistry. Physics. In: Richter, T. (Ed.): Educational Mission and Learning Objectives – from the Waldorf School Curriculum. Stuttgart: Verlag Freies Geistesleben 2016.
On the Role of General Didactics in Waldorf Education. In: Schieren, J. (Ed.): Handbook of Waldorf Education and Educational Science. Current Position and Development Perspectives. Weinheim, Basel: Beltz Juventa 2016.

2015

Teaching and Learning Physics: Performance Art Evoking Insight. The Physics Teacher 53: 532-534 (2015).
On the Role of Embodied Learning in View of Increasing Information Networking. How Can Teaching Be Designed to Create Balance without Being Backward? Zeitschrift Ästhetische Bildung 7/1 (2015).

2014

How Can Movements of Learning and Knowing Be Understood through Phenomenological Teaching Approaches? In: Hutter, W. (Ed.): Mathematics, Physics and Spiritual Science. Stuttgart: Pädagogische Forschungsstelle 2014.
The general didactics of Waldorf education and Klafki’s approaches in educational theory – Connections and divisions. Research on Steiner Education 5/1: 48-61 (2014).

2013

Optical simulation of three-dimensional x-ray diffraction using two-dimensional lattices and a Fabry–Perot etalon. Eur. J. Phys. 34: 259-271 (2013).
Pilot Units in Physics for the European Waldorf Diploma. Stroud, UK: Crossfields Institute.
Study and Training for Upper School Waldorf Teachers – with Particular Consideration of Cross-Entry and Mid-Career Entry Programs. In: Barz, H.: Teaching at Waldorf Schools. The Profession of Waldorf Teacher: New Perspectives on Practice, Research, and Training. Wiesbaden: Springer VS 2013.
Heat Is More than the Movement of Atoms. Erziehungskunst 10/77: 20-25 (2013).
On the General Didactics of Waldorf Education and Klafki’s Educational-Theoretical Approaches – Connections and Dividing Lines. Research on Steiner Education 4/2: 58-72 (2013).

2012

Upper School under Construction: Tasks for Teacher Education. Lehrerrundbrief Nr. 97 des Bundes der Freien Waldorfschulen: 37-46 (2012).
No Fear of Technology Lessons – Understanding Technology Means Demystifying Technology. Erziehungskunst 05/76: 21-24 (2012).
The Diffraction Pattern during Rotation of an Optical Grating – Remarks on a Basic Physics Course Task in the 2011 Hesse State Abitur. MNU 65/4: 214-219 (2012).
“Feedback on Feedback” – How Waldorf Education Can Classify the Results of the Student and Parent Survey and What It Can Learn from Them. The Upper School. In: Heiner Barz, Sylvia Liebwein & Dirk Randoll: Educational Experiences at Waldorf Schools. Empirical Study on School Quality and Learning Experiences. Wiesbaden: Springer VS 2012.

2011

How Is It That We Can Assign the Length Measurement 579 nm to the Color Yellow? – Learning Movements as “Excavation Work.” In: Roger Erb and Johannes Grebe-Ellis: Everything the Human Being Undertakes in Earnest Is an Infinite – Miniatures of Physics Didactics. Berlin: Logos 2011.
Cognitive Learning Movements as Life Processes. Zentrum für Kulturpädagogik (Ed.): Lectures at the congress “2020 The Future of Teacher Education” in Vienna 2011.
Learning as a Life Process – All the More in the Upper School. Erziehungskunstspezial, 1/75: 7-10 (2011).

2010

The Explosive Power of Physics Teaching. Erziehungskunst 10/74: 41-42 (2010).
Demonstration Experiments on Optical Filtering. Slide with Hatched House Image – Notes for Use in Teaching. Kassel: Pädagogische Forschungsstelle 2010.
(with Ralf Meier-Böke and Nicholas Meinzer): Hydromonochord: Visualizing String Vibration by Water Swirls. The Physics Teacher 48: 370-371 (2010).
(with Johannes Grebe-Ellis): Generating Scientific Knowledge in Optics via Phenomenology. In: M.F. Tasar & G. Çakmakcı (Eds.), Contemporary scienceeducation research: international perspectives (pp. 77-83). Ankara, Turkey: Pegem Akademi 2010.
Upper-School Teaching at Steiner Waldorf Schools: Cognitive Challenges for The Embodied Self. Part II. Research on Steiner Education 1/2: 43-52 (2010).
Upper-School Teaching at Steiner Waldorf Schools: Cognitive Challenges for The Embodied Self. Part I. Research on Steiner Education 1/1: 19-32 (2010).

2009

(with Nicholas Meinzer): From Corona to Diffraction Pattern – Investigation of Transitions from Disorder to Order. Phydid 4/8: 104-111 (2009).
Freehand Experiments on Diffraction – From Corona to Diffraction Pattern: a Transition from Disorder to Order. Kassel: Pädagogische Forschungsstelle 2009.
The Hydromonochord – An Experimental Series for Introductory Teaching in Acoustics. Kassel: Pädagogische Forschungsstelle 2009.
Turbid Media on Goethe’s Primal Phenomenon of Chromatics. Kassel: Pädagogische Forschungsstelle 2009.
(with F. Schulz): MP3, Mobile Phone and DVD in Grade 9. Erziehungskunst 73: 179-183 (2009).

2008

Turbid Media – Physics Grade 8. Erziehungskunst 72: 1319-1323 (2008).
Hydromonochord – Physics Grade 6. Erziehungskunst 72: 1090-1092 (2008).
(with Johannes Grebe-Ellis, Matthias Rang and Lutz-Helmut Schoen): Applications of the Mirror Space Concept Using the Example of Optical Feedback Suppression and Diffraction at the Spatial Grating. DPG (Ed.) Didactics of Physics. Lectures at the DPG Spring Conference in Berlin 2008.

2007

Shadow: Dark Contour – Image of the Sun. How Does Waldorf Education Carry Goetheanism Forward? Erziehungskunst 71: 1086-1098 (2007).

2006

On Diffraction: Seeing through Periodic Structures – Seeing Multiplied Lamp Images. In: J. Grebe-Ellis & F. Theilmann (Eds.): open eyes 2005: Approaches and Perspectives of Phenomenological Optics. Berlin: Logos 2006.

2005

On the Phenomenological Description of Diffraction in the Concept of Optical Paths. Berlin: Logos 2005 (doctoral dissertation).

2004

(with M. v. Mackensen, H.-C. Ohlendorf, F. Schulz as Eds.): Power Machines and Telephone. Physics in Inventions – Examples and Material for Physics Teaching in Grade 9. Kassel: Pädagogische Forschungsstelle 2004.
(with J. Grebe-Ellis, J. Vogt): On Diffraction. From Simple Freehand Experiments via Laue Cones to the Reciprocal Lattice and the Ewald Sphere. Phydid 2/3: 67-86 (2004).

2003

An Insight into Quantum Optics for Everyone? waldorf 11: 6-7 (2003).

2002

Movement in Its Relation to the Elements. Elemente der Naturwissenschaft 76: 51-60 (2002).
(with J. Grebe-Ellis, J. Vogt): Abitur Tasks on Apparent Elevation, Diffraction and Polarization – Materials for Model-Free Optics Teaching in Basic and Advanced Physics Courses. Kassel: Pädagogische Forschungsstelle 2002.

Before 2000

How Do Form-Building and Form-Dissolving Forces Work in the “Spectrum of Nature”? Der Merkurstab 48 (2): 143-149 (1995).
(with J. Gottwald, D. E. Demco, H. W. Spiess): Dipolar Heteronuclear Multiple-Quantum NMR Spectroscopy in Rotating Solids. Journal of Magnetic Resonance, Series A 113: 131-134 (1995).
(with J. Moldenhauer, D. Schweitzer, I. Heinen, H. J. Keller): Polarized IR reflectance studies of the organic superconductor (BEDO-TTF)₂ReO₄(H₂O). Synthetic Metals 68: 133-139 (1995).
(with H.-U. Habermeier, G. Mertens): A simple technique to prepare high quality superconducting Bi-Sr-Ca-Cu-oxide thin films. In: R. D. McConnel, S.A. Wolf: Science and technology of thin films superconductors. Plenum Publishing Corporation 1989.
(with H.-U. Habermeier, G. Mertens): Preparation of superconducting Bi-Sr-Ca-Cu-oxide thin films by thermal evaporation. J.Appl.Phys. 65(6): 2549-2551 (1989).

Lecture Videos