25 November: Birth in Vienna, Josefstaedter Strasse 11. Jewish on his mother’s side. Catholic baptism.
Attends primary school. Moves to Klagenfurt. Grammar school
Attends a theosophical lecture on the afterlife („Death and then what?“ Edwin Böhme). Reads Meister Eckhart, Angelus Silesius, Novalis, among others.
Member of the Theosophical Society
Begins to study history, linguistics and philosophy (Vienna).
November: Encounter with Rudolf Steiner (Goethe lecture Klagenfurt). „A fundamental feeling of being human seized the soul while listening to him. One experienced oneself confirmed as a human being.“ (Schubert)
Summer semester Paris (Sorbonne)
Winter semester London (Kings College)
Summer semester Paris (Sorbonne)
December Participation in the Oberufer Christgeburtspiel (Vienna)
Doctorate on Friedrich Rückert
Participation in World War. Farewell to Rudolf Steiner: „Do not be afraid, I am with you, think of me. Take the secret science with you in outline.“ (Steiner)
20 May: Marriage to Helene Nierl in Vienna.
July: Russian prisoner of war
May: return to Vienna. Re-encounter with Helene Schubert and Rudolf Steiner. Teacher at a private commercial school.
21 February: birth of son Michael.
March: Teacher of English, French, Latin and Greek at the Freie Waldorfschule Stuttgart. Founding and taking over of the „auxiliary class“.
December: Attends the Oberufer Christmas plays in Dornach.
7 September: Lecture at the Stuttgart University Course: „Spirit and Soul in the Life of Language“.
Continuous work in the „auxiliary class“.
December: Performance of the Oberufer Christ’s Birth and King’s Play at the Stuttgart Waldorf School.
Lecture at the West-East Congress in Vienna.
December: Rudolf Steiner gives Karl Schubert the „Baumsinger“ prologue in Dornach.
Lectures at the Summerschool in Ilkley.
Christmas Conference: Lecture: „Anthroposophy, a guide to Christ“.
12 February: Member of the First Class of the School of Spiritual Science.
6 June: Goetheanum speaker authorised by Rudolf Steiner and Ita Wegman.
July: Lecture in Arnhem. Stenographs Youth Address by Rudolf Steiner (20.7.).
June/July: Participates in the Curative Education Course (Dornach).
September: Participates in the Drama Course (Dornach) at Rudolf Steiner’s request.
1925 27 February: Meeting in the teachers‘ room. Reading of Rudolf Steiner’s letter.30 March: Death of Rudolf Steiner.
31 March in Dornach at the death camp.
December: Request for admission to the Medical Section at the Goetheanum.
March: Attends the Waldorf School in The Hague.
3 June: Lecture at the Education Conference of the Free Waldorf School Hamburg: Ways of Anthroposophical Curative Education.
August: Lecture London – World Conference of Spiritual Science and its Practical Applications.
Summer: Lecture curative education conference London: „Practical experiences in the treatment of children needing special care of soul“.
10 August: Lecture Camp de Stakenberg, Holland: „Man in History“.
12 October: Lecture Stuttgart „The religious forces in healing and education“.
23 November: Lecture Stuttgart „What do moral forces of youth mean for the shaping of the future?
Easter Conference Dornach. Lecture on curative education.
12 June: University Courses Stuttgart Lecture on „Art, Culture and Initiation“.
November University Courses Stuttgart. 5 lectures: „The significance of the religious in education and healing“.
May: Schubert is forced to leave the Waldorf School because of his Jewish background. Ministerial permission to run a private auxiliary class.
March: The Waldorf School is banned. Continues to work in his private flat until the end of the war.
30 March Stuttgart Lecture on Rudolf Steiner.
November: Ordered to be deported to Bietigheim labour camp as a half-Jew.
Rejoins the staff of the Waldorf School as a religion teacher (free Christian religious education).
November: Lecture at the anthroposophical youth conference in Stuttgart.
Re-establishment of pedagogical and curative contacts with Holland and England.
Anthroposophical University Weeks Stuttgart. Lecture on the Father God religion of the 1st seven years.
8 April: Lecture at Stuttgart Teachers‘ Conference: „The world-pedagogical impulse of Anthroposophy“.
November: Inauguration of the St. John School in Camphill/Murtle at the request of Karl König. Onward journey to Holland for curative education conference. Opening by Karl König: „Kaspar Hauser“. The Hague: Report on anthroposophical curative education in Scotland, England and Holland. December Writing of the essay „Memories of the Christmas Plays“.
12 December End of last diary note: „Peace to all beings!“
Last New Year’s Eve celebration in Eckwälden.
1 January: Lecture at the memorial service for Marie Steiner (Stuttgart).
28 and 29 January: Lectures in Schweinfurt: „On Rudolf Steiner’s path in life“ and „Education in the parental home“.
30 January: Admitted to the Marienhospital.
3 February: Death in Stuttgart