Quote of the day
Physiology and psychology cover, between them, the field of vital phenomena; they deal with the facts of life at large, and in particular with the facts of human life.
Hans Freudenthal
Born: September 17, 1905
Died: October 13, 1990 (aged 85)
Bio: Hans Freudenthal was a German-born Dutch mathematician. He made substantial contributions to algebraic topology and also took an interest in literature, philosophy, history and mathematics education.
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