A History of Medicine Ancient Egyptian Medicine Medicine and Ancient Greece Hippocrates Medicine in Ancient Rome Claudius Galen Medicine in the Middle Ages Giovanni Morgagni William Harvey Joseph Lister Antoine Lavoisier Franz Mesmer Edward Jenner Smallpox and London Microbes and their Discoverers Edwin Chadwick Ignaz Semmelweis Louis Pasteur Robert Koch Marie Curie Wilhelm Roentgen Antibiotics Alexander Fleming and Penicillin Howard Florey Medicine and World War Two Christian Barnard Important events in public and environmental health in Great Britain 1900 to 1939 Medical changes from 1945 History of Medicine 1919 to 1939 The National Health Service Sir James Black History of Hygiene Timeline