Medical history timeline By 132509 370 Father of medicine: Hippocrates Jan 1, 653 Egyptians Jan 1, 654 Egyptians would set bones and used other remedies Jan 1, 753 Romans Jan 1, 754 Romans upkeep public health Jan 1, 1440 Invention of printing press Apr 15, 1452 Leonardo da Vinci Apr 1, 1578 William Harvey described the circulation of the heart Sep 16, 1736 Gabriel fahrenheit invented the first mercury thermometer Jan 1, 1796 Edward Jenner developed small pox vaccine Dec 27, 1822 Louis pasteur warmed milk to kill bacteria Jan 1, 1863 Gregory Mendel discoveres genetic passings Jan 1, 1877 Robert Koch developed culture plate method Jan 1, 1881 Clara Barton founded red cross Mar 27, 1895 Willhelm Roentgen discovered the x-ray Jan 1, 1910 Marie Curie isolated radium Aug 13, 1910 Florence nightengale became the founder of modern nursing Jan 1, 1912 Joseph lister used disinfectants during surgery Jan 1, 1918 Influenza outbreak of 1918 Jan 1, 1928 Alexander Fleming discovered penicilin Period: Jan 1, 1939 to Jan 1, 1945 World War 2