Illustration Credits

Page 3 Gianni Dagli Orti/Corbis
Page 10 Image Life/Corbis
Page 15 Corel
Page 17 Christophe Loviny/Corbis
Page 20 Corel
Page 22 The Art Archive/Dagli Orti
Page 24 Adam Woolfitt/Corbis
Page 29 Paul A. Souders/Corbis
Page 34 Vanni Archive/Corbis
Page 39 Charles & Josette Lenars/Corbis
Page 41 Eye Ubiquitous/Corbis
Page 45 Bob Krist/Corbis
Page 50 Richard A. Cooke/Corbis
Page 56 Hulton Getty/Archive Photos
Page 59 Courtesy of the University of Guelph
Page 61 The Art Archive/Dagli Orti
Page 63 The Art Archive/Dagli Orti
Page 67 The Art Archive
Page 71 Corel
Page 72 Eye Ubiquitous/Corbis
Page 74 Corel
Page 76 Bob Krist/Corbis
Page 78 Araldo de Luca/Corbis
Page 84 Historical Picture Archive/Corbis
Page 86 Corel
Page 96 The Art Archive/Dagli Orti
Page 98 Frank Lane Picture Agency/Corbis
Page 100 G. E. Kidder Smith/Corbis
Page 104 (top) James A. Sugar/Corbis
Page 104 (bottom) Michael Freeman/Corbis
Page 111 Scheufler Collection/Corbis
Page 116 Richard A. Cooke/Corbis
Page 118 Gail Mooney/Corbis
Page 120 Hulton Getty/Archive Photos
Page 122 Roger Antrobus/Corbis
Page 125 G. E. Kidder Smith/Corbis
Page 132 Lee Snider/Corbis
Page 135 Eye Ubiquitous/Corbis
Page 137 Michael T. Sedam/Corbis
Page 139 Owen Franken/Corbis
Page 142 Hulton Getty/Archive Photos
Page 144 Robert Holmes/Corbis
Page 148 Hulton Getty/Archive Photos
Page 150 Vanni Archive/Corbis
Page 152 Gianni Dagli Orti/Corbis
Page 162 Galen Rowell/Corbis
Page 165 Robert Estall/Corbis
Page 167 David Samuel Robbins/Corbis
Page 171 Robert Holmes/Corbis
Page 174 Historical Picture Archive/Corbis
Page 175 The Art Archive/Dagli Orti
Page 178 Lindsay Hebberd/Corbis
Page 180 Dave Bartruff/Corbis
Page 189 Hans Georg Roth/Corbis
Page 192 Roger Wood/Corbis
Page 197 Roger Wood/Corbis
Page 199 Hulton Getty/Archive Photos
Page 202 The Art Archive/Mireille Vaurier
Page 203 The Art Archive/Dagli Orti
Page 205 NASA/Corbis
Page 212 Hulton Getty/Archive Photos
Page 216 The Art Archive/Dagli Orti
Page 220 Yann Arthus-Bertrand/Corbis
Page 227 Courtesy of L. Dearborn
Page 232 Bettmann/Corbis
Page 234 Michael Nicholson/Corbis