Andrew C. Isenberg Andrew C. Isenberg received his B.A. from St.Olaf College and his Ph.D. from Northwestern University. He teaches the history of the American West, borderlands history, and environmental history as Professor of History at Temple University. He is the author of Wyatt Earp: A Vigilante Life; Mining California: An Ecological History; and The Destruction of the Bison: An Environmental History, 1750-1920. He has also edited two volumes of collected essays: The Oxford Handbook of Environmental History and The Nature of Cities: Culture Landscape, and Urban Space. Andrew C. Isenberg is the author of Mining California: An Ecological History (Hill and Wang, 2005) and The Destruction of the Bison: An Environmental History, 1750–1920 and the editor of The Nature of Cities: Culture, Landscape, and Urban Space. He is a historian at Temple University and lives in Penn Valley, PA.