Photo and Illustration Credits

The illustrations and tables featured in Mathematics were created by GGS Information Services. The photographs appearing in the text were reproduced by permission of the following sources:

Volume 1

Corbis-Bettmann: 1, 48, 61, 77; AP/Wide World Photos: 6, 54, 82, 121; IBM: 7; Martha Tabor/Working Images Photographs: 9,14, 110, 117, 120, 122, 145; United States Department of Agriculture (USDA): 13; Photograph by Tom Dunham: 24; Photograph by Earl Dotter: 27; IBM Corporation, Research Division, Almaden Research Center: 26; The Library of Congress: 33, 63, 87; © Alan Towse. Ecoscene/CORBIS: 35; AP/Wide World Photos, Inc.: 38; © Martha Tabor/Working Images Photographs: 39, 46, 86, 142; U.S. National Aeronautics and Space Administration (NASA): 42, 44, 154; Fisk University Library: 58; Photograph by Secchi-Lecague/Roussel-UCLAF/Science Photo Library. National Audubon Society Collection/Photo Researchers, Inc.: 68; Corbis Corporation: 69; Photograph by Doug Handel. © Corbis Stock Market/Doug Handel: 72; Terry Wild Studio, Inc.: 79; Archive Photos/Popperfoto: 80 © Hulton-Deutsch Collection/Corbis: 90; Photograph by Susan D. Rock: 96; Royal Observatory, Edinburgh/Science Photo Library/Photo Researchers, Inc.: 100; Michael Pole/Cobis: 101; Illustration by Hans & Cassidy. The Gale Group: 107; The Kobal Collection: 114; © The Terry Wild Studio, Inc.: 117; Photograph by Kelly Quin: 119; D.Boone/CORBIS: 127; © Bettmann/Corbis: 130, 131; © Jim Sugar Photography/CORBIS: 132; Getty Images: 133; © Reuters New Media/CORBIS: 138; The Terry Wild Studio, Inc.: 146; UPI/Corbis-Bettmann: 157; Archive Photos: 159; © AFP/Corbis: 164.