October 28:
(1) (1912) British physiologist Richard Doll is born. Along with 3 other scientists, he proved that smoking causes lung cancer and increases the risk of heart disease.
(2) (1914) American medical researcher and virologist He is known for discovering and developing one of the first successful polio vaccines.
(3) (1948) Swiss chemist Paul Müller wins the Nobel Prize in Physiology or Medicine for discovering the insecticidal properties of DDT.