Paul Ernest

male
Paul Ernest is a recent contributor to the social constructivist (see social constructivism) philosophy of mathematics. He illustrates this...
Hans Freudenthal

Hans Freudenthal

male, deceased (1990)
Hans Freudenthal was a Dutch mathematician born in Luckenwalde in Germany into a Jewish family. He made substantial contributions to algebraic...

David Klein

male
Professor David Klein teaches at the California State University Northridge Department of Mathematics. He has also been noted for advocating for...
Zalman Usiskin

Zalman Usiskin

male
Zalman Usiskin is a mathematician best known as the Director of the University of Chicago School Mathematics Project. A faculty member since 1969,...

Herbert Ginsburg

male
Herbert P. Ginsburg is Jacob H. Schiff Foundation Professor of Psychology & Education at Teachers College, Columbia University. He is a leading...
Paul Sally

Paul Sally

male, 76 years old
Paul Joseph Sally, Junior (born January 29, 1933) is a professor of mathematics at the University of Chicago, where he is the director of...
Hilda Borko

Hilda Borko

female (Boulder, Colorado, United States)
Hilda Borko is an educational psychologist who researches teacher cognition and changes in novice and experienced teachers' knowledge and beliefs....
Caleb Gattegno

Caleb Gattegno

male, deceased (1988)
Caleb Gattegno (1911-1988) was an Egyptian mathematician of Jewish origin, teacher, author and lecturer, known for using color as a tool in his...
Sol Garfunkel

Sol Garfunkel

male, 66 years old
Solomon "Sol" Garfunkel (born 1943) is a mathematician who has focused his career on mathematics education. He is perhaps most famous for his...

Edward G. Begle

male, deceased (1978)
Edward Griffith Begle (27 November 1914 - 2 March 1978) was a mathematician best known for his role as the director of the School Mathematics Study...