第一部分

Page 1 Leonardo da Vinci drawing: Royal Collection Trust © Her Majesty Queen Elizabeth II, 2019/Bridgeman Images.

Page 2 Bertillon: © Photo Researchers/Mary Evans Picture Library; Alexander Fleming: Wolf Suschitzky/The LIFE Images Collection/Getty Images; Ernst Chain: Granger/Bridgeman Images.

Page 3 Walter Freeman: Bettmann/Getty Images; Cesare Lombroso drawing: Wellcome Collection; Case 1071 X-ray: the Mütter Museum of the College of Physicians of Philadelphia.

Page 4 Werner Forssmann: Nationaal Archief/Collectie Spaarnestad/ANP/Bridgeman Images; Stephen Hales: Granger/Bridgeman Images; Louis Washkansky: Popperfoto/Getty Images.

Page 5 William Harvey: Wellcome Collection; Karl Landsteiner:Keystone-France/Getty Images; Bamberger and Watkins: Minneapolis Public Library Collection, Audio-Visual Department, Abraham Lincoln Presidential Library & Museum.

Page 6 Lithotomy: Wellcome Collection; Charles Brown-Séquard:Bridgeman Images; Adolf Butenandt: © SZ Photo/Scherl/Bridgeman Images.

Page 7 Frederick Banting: Hulton Archive/Getty Images; Case VI insulin patient: Wellcome Images.

Page 8 Gray's Anatomy: © King's College London/Mary Evans Picture Library; Charles Byrne skeleton: © Ken Welsh/Bridgeman Images; dissecting room at St George's Hospital with Henry Gray: Wellcome Collection.

第二部分

Page 1 Walter Bradford Cannon: Wellcome Collection; Peter Medawar: Bettmann/Getty Images; Richard Herrick: Bettmann/Getty Images.

Page 2 Respiratory calorimeter: Topham Picturepoint © 1999; Minnesota Starvation Experiment: Wallace Kirkland/Getty Images.

Page 3 William Beaumont: Granger/Bridgeman Images; Michel Siffre: Keystone-France/Getty Images.

Page 4 Nettie Stevens: Heritage Image Partnership Ltd /Alamy Stock Photo; nineteenth-century doctor: INTERFOTO/Alamy Stock Photo; Ernst Grafenberg: Museum of Contraception and Abortion, Vienna.

Page 5 Six-week-old human embryo: Neil Harding/Getty Images; eightcell-stage embryo: Dr Yorgos Nikas/Science Photo Library/Getty Images; Joseph Lister: Science History Images/Alamy Stock Photo.

Page 6 Charles Scott Sherrington and Harvey Cushing: Wellcome Collection; telephone operators: Keystone-France/Getty Images; tuberculosis patients: Science History Images/Alamy Stock Photo.

Page 7 Mastectomy: Wellcome Collection; Ernest Lawrence: HultonDeutsch Collection/Getty Images.

Page 8 Alois Alzheimer: Getty Images; Auguste Deter: Science History Images/Alamy Stock Photo.