Alfred W. Crosby Jr.Alfred W. Crosby, Jr. is professor emeritus of American studies, history, and geography at the University of Texas, Austin. He is the author of Ecological Imperialism: The Biological Expansion of Europe, 900–1900 (1986), America's Fogotten Pandemic: The Influenza of 1918 (1989), The Measure of Reality: Quantification and Western Society, 1250–1600 (1997), and most recently Throwing Fire: Projectile Technology through History (2002).
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