Lydia Pyne (PhD) is a freelance writer, editor, and historian, and a Research Fellow in the Institute for Historical Studies at the University of Texas of Austin, USA. She is a Contributing Editor for The "Appendix "and a Reviewer and Essayist for "NewPages "and "New York Journal of Books". She is the author, with Stephen J. Pyne, of "The Last Lost World: Ice Ages, Human Origins, and the Invention of the Pleistocene" (Penguin, 2013).