Photo Acknowledgments

The images in this book are used with the permission of: iStockphoto.com/MKucova (decorative frames); iStockphoto.com/andersboman (orange block); iStockphoto.com/scanrail, p. 1; Suzanne Plunkett - WPA Pool/Getty Images, p. 5; Wellcome Library, London/Wikimedia Commons (CC BY 4.0), p. 7; Graham Prentice/Alamy Stock Photo, p. 10; David Wall/Alamy Stock Photo, p. 12; INTERFOTO/Alamy Stock Photo, p. 15; PRISMA ARCHIVO/Alamy Stock Photo, p. 19; The Granger Collection, New York, p. 23; MIKE HUTCHINGS/AFP/Getty Images, p. 27; Bettmann Archive/Getty Images, p. 30; John Henshall/Alamy Stock Photo, p. 32; Image courtesy of The Advertising Archives, pp. 34, 61; Kristin Callahan/Everett Collection/Alamy Stock Photo, p. 37; Hill Street Studios/Stockbyte/Getty Images, p. 39; AP Photo, p. 42; Maskot/Getty Images, p. 47; Moviestore collection Ltd/Alamy Stock Photo, p. 50; Courtesy of California State Parks. Image 231-18-66, p. 51; © The Stapleton Collection/Bridgeman Images, p. 53; REUTERS/Siegfried Modola, p. 55; © HARISH TYAGI/EPA/Redux, p. 57; iStockphoto.com/mrPliskin, p. 62; Heritage Image Partnership Ltd/Alamy Stock Photo, p. 65; aastock/Shutterstock.com, p. 66; Fraser Hall/Robert Harding/Getty Images, p. 70; Nikhil Gangavane/Alamy Stock Photo, p. 72; Ron Koeberer/Getty Images, p. 73; © Rikki Lim/Pixoto.com, p. 74; Special Collections, University of Nevada Reno Library, p. 79; Pictorial Press Ltd/Alamy Stock Photo, p. 80; Hulton-Deutsch Collection/CORBIS/Corbis/Getty Images, p. 83; Francisco Martinez/Alamy Stock Photo, p. 85; VStock/Alamy Stock Photo, p. 93.

Front cover: Hill Street Studios/Stockbyte/Getty Images (top left); Syda Productions/Shutterstock.com (top right); iStockphoto.com/triloks (bottom).