Amy Butler Greenfield

Amy Butler Greenfield writes award-winning books about history, science, art, and spies. Her work has been published in ten languages. She won the PEN/Albrand Award for First Nonfiction and the Prix du Livre Environnement for A Perfect Red: Empire, Espionage, and the Colour of Desire. Her acclaimed biography of Elizebeth Smith Friedman, The Woman All Spies Fear, was optioned for film. Her newest book, Code Name Purple, tells the story of an underdog team of codebreakers who cracked a top cipher machine and eavesdropped on Hitler and his inner circle. 

An enthusiastic and experienced speaker, Amy has appeared as an expert on the History Channel and on many podcasts, television shows, and radio programs. She has also given talks for the International Spy Museum, London’s National Gallery, the Oxford Symposium, the Los Angeles Public Library, and UK intelligence agency GCHQ. Born in Philadelphia, she studied history at Oxford as a Marshall Scholar, and she now lives with her family in England.