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File consists of printed versions of the CBC broadcasted talks by Wittenberg, April-May 1965. File also contains correspondence with the CBC and six 'CBC times' broadcast schedules.

File consists of a different version of Wittenberg's CBC talks, most likely reedited in order to be published as a book.

File consists of various personal documents of both Wittenberg and other family members including passports, membership cards, Vaccination certificates, Canadian citizenship certificate.

File consists of various personal documents of both Wittenberg and other family members including passports, membership cards, Vaccination certificates, Canadian citizenship certificate.

File consists of a collection of draft articles as part of a planned book titled 'Die gymnasiale aufgabe’.

Item is a translation of a paper by Alfred North Whitehead, published in 'Neue Sammlung', May/June 1962.

Item is a review published in 'Elemente der Mathematik", 4, Basel, July 15th, 1951

File consists of two parts of a publication in 'Revue du Centre de Documentation Juive Contemporaine.

File consists of correspondence with the 'German Committee for Education' regarding the teaching of math.

File consists of correspondence with William G. Davis, Minister of Education re: Ontario Institute for Studies in Education (OISE).

Item is a posthumous publication at 'neue sammlung', March/April 1968.

File consists of correspondence with Prof. MacDonald Critchley, British Neurologist, re: mathematical thinking.

File consists of correspondence with Professor Douglas Crawford.

Series consists of personal and professional correspondence with leading scientists, mathematicians and education specialists from across Europe and North America. As Wittenberg did not maintain copies of his letters, for the most part the series only contains the incoming letters. The series includes correspondence with scholars such as Paul Bernays, Alexander Calandara, Tatiana Ehrenfest Afanasyeva, Ferdinand Gonseth, Ahron Katchalsky (Katzir), Thomas Kuhn, Imre Lakatos, Georges Polya, Michael Polanyi and many other colleagues and acquaintances. There are several files pertaining to Wittenberg’s involvement with councils, associations and other initiatives that aimed to promote mathematical and scientific education across Canada and North America. The series also contains materials of more personal nature pertaining to matters such as trips, children schools, post-Holocaust restitution claims, and involvement in Canadian Jewish community life.

File consists of correspondence with Professor William Cooley re: the latter's articles on scientific education.

File consists of a conference address from September 1957.

Item is comments made by Wittenberg during the fifth Canadian Mathematical Congress, Montreal 1961.

File consists of a draft, undated copy of an unpublished article.

File consists of correspondence with Professor John Coleman re: general education and the teaching of mathematics.

Item is an audio reel containing Wittenberg's seventh of seven talks on CBC radio - 'Education: the unfulfilled promise', broadcast on May 18, 1965.

Item is an audio reel containing Wittenberg's sixth of seven talks on CBC radio - 'Education: the unfulfilled promise', broadcast on May 11, 1965.

Item is an audio reel containing Wittenberg's fifth of seven talks on CBC radio - 'Education: the unfulfilled promise', broadcast on May 4, 1965.

Item is an audio reel containing Wittenberg's fourth of seven talks on CBC radio - 'Education: the unfulfilled promise', broadcast on April 27, 1965.

Item is an audio reel containing Wittenberg's third of seven talks on CBC radio - 'Education: the unfulfilled promise', broadcast on April 20, 1965.

Item is an audio reel containing Wittenberg's second of seven talks on CBC radio - 'Education: the unfulfilled promise', broadcast on April 13, 1965.

Item is an audio reel containing Wittenberg's first of seven talks on CBC radio - 'Education: the unfulfilled promise', broadcast on 6 April 1965.

File consists of correspondence with the Canadian Association of University Teachers re: Wittenberg's work at Laval University.

File consists of correspondence regarding the CMC; an address by Wittenberg to the CMC 1962 panel.

File consists of various correspondence with the CJC regarding lectures and Jewish schools in Canada. Files contains two CJC publications: "Brief submitted by the Canadian Jewish Congress to the Royal commission of inquiry on education, March 1962" and "The place of the Jew in the public school system of Montreal". There are several more CJC correspondence in the 'York-Varia' file.

File consists of correspondence re: application for scholarships from the Canada Council.

File consists of Wittenberg's notes from a winter 1947-48 course with Prof. Eduard Stiefel

File consists of Wittenberg's notes from a summer 1947 course with Prof. Eduard Stiefel

File consists of correspondence with Professor. Alexander Calandra regarding math and science curriculum at schools.

File consists of correspondence with a Dr. Burstein, Paris.

File consists of correspondence with psychologist, Professor Jerome Bruner. The file also includes two articles: one, author unnamed "The learning of mathematics", the second, by Jerome Bruner and Rose Olver is titled "The development of equivalence transformations in children".

File consists of correspondence with Swiss publishing house Birkhauser re: Wittenberg's book "Vom denken in Begriffen". The file consists also of correspondence with other publishers regarding the book.

File consists of drafts of several of the book's chapters.

File consists of drafts of several of the book's chapters.

File consists of drafts of several of the book's chapters.

Item is a copy of Wittenberg's book.

File consists of newspaper clippings, reviews and letters regarding the book. File consists also of several drawings of geometric shapes that appeared in the book.

File consists of newspaper clippings, reviews and letters regarding the book. File consists also of several drawings of geometric shapes that appeared in the book.

File consists of a letter from R. Biemel, Secretary of Centre d'etudes du processus d'apprentissage en mathematique, Paris, France, and newsletters from the centre.

File consists of several versions of Wittenberg's CV and lists of publications.

File consists of correspondence with mathematician Paul Bernays, one of Wittenberg's PhD advisors.

File consists of correspondence with Bernard Barber, sociologist, Columbia University.

File consists of six audio tapes, numbered 1-6, kept in a York University envelope.

Series consists of seven audio reels containing lectures titled 'Education: the unfulfilled promise' which were broadcast on CBC Radio, as well as eight other audio recordings associated with Wittenberg’s research.

Item is a publication in 'l'education nationale', 18, May 1961.

File consists of the association's constitution and several reports, programs and correspondence.

File consists of by-laws and membership list of the association, correspondence re: membership.

Item is an undated work plan on future projects, including a section on a plan to write about Albert Einstein.

File consists of a folder containing printed materials from the ETH physics department. Titles on cover mention Professors Paul Scherrer and Dr. Georg Busch.

Item is a publication in 'Item is american mathematical monthly', 70, 10, December 1963.

Item is an unpublished article dated September 1964.

Item is an unpublished document dated 1961.

Item is an audio reel with an attached note containing the names of several of Wittenberg's later researches.

Item is an audio reel with an attached note containing the names of several of Wittenberg's later researches.

File consists of correspondence with the journal regarding publication of two of Wittenberg's articles.

Fonds consists of records created and maintained by Alexander Israel Wittenberg, pertaining to his career as a mathematician, university professor and researcher of mathematical education, mathematical philosophy and general educational policies. The fonds includes Wittenberg’s correspondence with leading scientists, mathematicians and education specialists from across Europe and North America, reflecting his involvement with research pertaining to these issues, as well as to various other initiatives, debates and policy discussions. Other series in the fonds contain records relating to the academic courses that Wittenberg developed and taught and his involvement with the governance of York University during his tenure as a faculty member and which attest to his vision regarding the University’s future pedagogical direction; records from his time as a student in Zurich; most of his scholarly output and public engagements since the late 1940s and until his death in 1965; and some sound recordings containing radio broadcasts made by Wittenberg. The fonds also contains several personal records of both Wittenberg and his close family members, as well as photographs and newspaper clippings.

Upon his death, Wittenberg left behind him several unfinished projects. Amongst these are two manuscripts, the first, titled “Education: the unfulfilled promise,” is based on a series of lectures that he broadcasted on CBC radio during March and April 1965. The second manuscript, “Number – a case study in knowledge,” is based on an interdisciplinary mathematical-philosophical course that Wittenberg delivered to first- and second-year students at York University. Also included in the collection are initial notes and drafts relating to two other projects that Wittenberg was planning: a biography of Albert Einstein whom he perceived as a symbol for the ability to successfully combine scientific excellence with strong and unbending moral values, and a university-level textbook on vector algebra.

File consists of an unpublished manuscript written by Alexander Wittenberg on the worldview of Albert Einstein.

File consists of correspondence with the 'Association Canadienne Francaise pour l'avancement des sciences'

File consists of correspondence regarding a lecture in a conference at Boston arranged by the Academic Year Institute

Series consists of materials pertaining to Wittenberg’s life as an academic. While the Laval University-related materials consists mostly of course work and administrative matters, the York University files reflect a much more active and engaged involvement in University life and in questions of institutional governance and vision.

File consists of correspondence with Welther Abel, director of the Gymnasium zu Berilin-Steglitz with regards to Wittenberg's visit. The file also consists two publications about the history of the Gymnasium and an itinerary for a trip to Israel, September-October 1960

Item is a publication in the 'Bulletin de l'association des professeurs de mathematiques de l'enseignement public', 223, June 1962.