Gerard J. Tortora
Edwin Abbott Abbott
William Shakespeare
David C. Lay
Ron Larson
Gary L. Musser
George Pólya
Joan Welkowitz
Kokuritsu Kokkai Toshokan (Japan)
Cathy O'Neil
Barbara A. Oakley
Siegfried Haenisch
Jean Piaget
Philip J. Davis
Kenneth S. Saladin
Scottish Primary Mathematics Group
Laurie E. Westphal