1914
AD
Theodor Boveri proposes the Somatic Mutation Theory of Cancer. He believed that cancer was caused by abnormal chromosomes.
Boveri was on to something when he proposed this theory. It is now known that many things lead to the development of cancer, but genetic instability is at the root of cancer.1
- 1Udwadia, Farokh Erach. Man and Medicine: A History. Oxford: Oxford University Press, 2000.