Photo Acknowledgements

The author and publishers wish to express their thanks to the following sources of illustrative material and/or permission to reproduce it:

Bigstock: p. 6 (Chris Leachman); © The Trustees of the British Museum: p. 104; Steve Caruso: p. 72 top; Fir0002/Flagstaffotos: p. 73; Istockphoto: p. 69 (Tomasz Parys) top right, 75 (Kelly Cline); Rhys James: p. 69 top left; Michael Leaman: p. 69 centre right; Library of Congress: pp. 22, 60, 97; The Metropolitan Museum of Art, New York, USA: p. 93 (Jacques and Natasha Gelman Collection, 998 (1999.363.50) Photographed by Malcolm Varon); Museum of Fine Arts, Boston, Massachussetts, USA: p. 92 bottom (Gift of Quincy Adams Shaw through Quincy A. Shaw, Jr and Mrs Marion Shaw Houghton 17.1505); National Cancer Institute, Bethesda, Maryland, USA: pp. 56, 64 (Renée Comet); National Library of Medicine, Bethesda, Maryland, USA: p. 33, 88; The Potato Museum, Albuquerque, New Mexico, USA: pp. 12, 34, 95; Rex Features: pp. 8 (John Chapple), 62 (Denis Closon), 77 (Denis Closon), 83 (Sipa Press), 99 (Ginou Choueiri); Andrew F. Smith: p. 84; Stock Xchng: p. 74 (Alistair Williamson), 105 (Alan Rainbow), 111 (Jm2c); Man Vyi: p. 72 bottom; Swiatoslaw Wojtkowiak: p. 13; Rainer Zenz: p. 82.