Medicine Through Time By R L 1348 Black Death 1368 Guild of Surgeons estd. 1440 Invention of the printing press 1518 College of Physicians estd. 1536 Dissolution of the monasteries 1628 Harvey's Theory of Circulation 1660 Royal Society estd. 1661 Microscope developed 1665 The Great Plague 1798 Edward Jenner discovers smallpox vaccine 1800 College of Surgeons estd. 1842 Edwin Chadwick's 'Report' 1854 Florence Nightingale's work in Crimea 1854 John Snow - Broad Street discovery 1858 London's 'Great Stink' 1861 Germ Theory 1895 X-rays are discovered 1901 Discovery of blood groups 1908 Salvarsan 606 1908 Ministry for Health estd. 1928 Penicillin is discovered 1932 Prontosil 1942 William Beveridge's 'Report' 1945 Mass production of penicillin 1948 NHS estd. 1950 First open-heart surgery 1960 First organ transplant in Britain 1961 First antibiotic-resistant bacteria - MRSA 1970 First immuno-suppressant developed 1972 CAT scanner invented 1987 MRI scanner invented 1990 Launch of Human Genome Project 2009 Change4Life program introduced