Jeremy GrayJeremy Gray is Professor Emeritus at the Open University in the U.K. and an Honorary Professor in the Department of Mathematics at the University of Warwick. A specialist in the history of mathematics in the 19th and early 20th centuries, he is the athor of Henri Poincaré a Scientific Biography, Princeton University Press (2012); (with Umberto Bottazzini, Milan) Hidden Harmony-Geometric Fantasies: The Rise of Complex Function Theory, Springer (2013); and A History of Abstract Algebra, Springer (2018), among other titles. Professor Gray is a fellow of the American Mathematical Society and received their Albert Leon Whiteman Memorial Prize in 2009 for his work on the history of mathematics. Read More Read Less