-
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
Renaissance
-
Microscope invented
Allowed for study of microscopic organisms -
Period: to
Industrial Revolution
-
Period: to
Modern World
-
Period: to
21st Century
