Jeremy J. Gray
25 April 1947
Jeremy John Gray is an English mathematician primarily interested in the history of mathematics. *--Wikipedia*
Geometry
A History of Abstract Algebra
The History of mathematics
Linear differential equations and group theory from Riemann to Poincaré
Ideas of space
Plato's ghost
The Hilbert Challenge
The Symbolic Universe
Episodes in the history of modern algebra (1800-1950)
Henri Poincaré
Hidden Harmony―Geometric Fantasies
János Bolyai, non-Euclidean geometry, and the nature of space