Medical Investigations 1 Timeline By lilliancollett Period: 500 to Sep 3, 2015 Medical History Period: 500 to Dec 31, 1500 Middle Ages Jan 1, 1300 Islamic hospitals; health care for the sick Period: Jan 1, 1300 to Dec 31, 1600 The Renasissance Jan 1, 1400 Frenchwomen Jacoba Felicie tries to practice medicine but is denied Period: Jan 31, 1501 to Sep 3, 2015 Modern Times Jan 1, 1600 Use of scientific method begins Jan 1, 1665 Robert Hooke-- reflective microscope Jan 1, 1673 Antonie Van Leeuwenhoek decribes bacteria Jan 1, 1700 Francis Bacon uses microscope to discover plague fleas Period: Jan 1, 1700 to Dec 31, 1800 Industrial Revolution Jan 1, 1796 Edward Jenner dicovered 1st vacination Jan 1, 1822 Louis Pasreur (microbiology)masreuization of milk Jan 1, 1827 Joseph Lister--practice of medical asepsis Jan 1, 1843 Robert Koch--dicovery of pathogens Jan 1, 1846 Louis Pasteur carried out experiments that became the basis for madern microbiology Jan 1, 1847 Ignaz Semmelweis shows importance of hand washing Jan 1, 1854 John Snow stops outbreak of cholera Jan 1, 1904 Bubonic plague hits San Francisco Jan 1, 1928 Alexander Fleming discovers penicillin Jan 1, 1930 First HMO Insurance Jan 1, 1952 Salk dicovers polio vaccine Jan 1, 1980 WHO declares smallpox eradicated Mar 2, 2022 Rhazes discovered difference beween small pox and measles