History of Medicine By ariel0017 Period: 500 to 1300 Middle Ages 900 Rhazes Rhazes discovered the difference between measles and smallpox 1010 Avicenna Avicenna writes The Book of Healing and The Canon of Medicine. 1249 Roger Bacon Roger Bacon invents spectacles Period: 1301 to 1700 Renaissance 1665 Microscope invented Allowed for study of microscopic organisms Period: 1701 to 1899 Industrial Revolution Period: 1900 to 1999 Modern World Period: 2000 to 2018 21st Century
