Felix Adler, religious leader and educator, taught courses in social and political ethics at Columbia between 1902 and 1933. The collection includes correspondence, manuscripts, typescripts, notes, photographs, and printed materials.
Mary Mothersill (1923-2008) was a Canadian philosopher who taught philosophy at Barnard College from 1963-1993. The collection includes her philosophical writing, philosophy course curricula, texts intended for publication and related correspondence, annotated copies of the works of other philosophers, and letters from fellow philosopher Arnold Isenberg. Her material may be useful to scholars of Kant, C.I. Lewis, philosophy students, teachers, as well as researchers of 1968 counterculture, gender in education, theory of knowledge, aesthetics and anyone researching the case of Linda LeClair.