medical investigations 1 By selenaharris123 200 Galen: tracheotomy Period: 500 to Jan 20, 2015 the history of medicine Period: 500 to Dec 31, 1500 middle ages Jan 1, 1300 Islamic hospitals: health care for the sick Period: Jan 1, 1301 to Dec 31, 1700 Renaissance Jan 1, 1305 human anatomical studies allowed Jan 1, 1350 christian monasteries founded to treat the ill Jan 1, 1400 Frenchwoman Jacoba Felicie tries to practice medicine but is denied. Jan 1, 1600 use of scientific method begins Jan 1, 1665 Robert Hooke: reflective microscope Jan 1, 1673 Antonie Van Leeuwenhoek describes bacteria Jan 1, 1700 Francis Bacon uses microscope to discover plague fleas Period: Jan 1, 1701 to Dec 31, 1900 Industrial Revolution Jan 1, 1795 Discovery of blood cells, bacteria, protozoa, and stethoscope Jan 1, 1996 Edward Jenner- discovered 1st vaccination Mar 2, 2022 Rhazes discovered differnce between smallpox and measles