Helena PyciorHelena Mary Pycior is an American historian known for her works in the history of mathematics, Marie Curie, and human-animal relations. She is a professor emerita of history at the University of Wisconsin–Madison.EducationPycior has a master's degree in mathematics and a Ph.D. in history, both from Cornell University. Her 1976 doctoral dissertation was titled The Role of Sir William Rowan Hamilton in the Development of British Modern Algebra.BooksPycior is the author of the book Symbols, Impossible Numbers, and Geometric Entanglements: British Algebra Through the Commentaries on Newton's Universal Arithmetick, and the coeditor of Creative Couples in the Sciences.