(1871) American pathologist Howard Taylor Ricketts is born. The genus Rickettsia is named after him and includes bacteria that are passed to humans by ticks and lice.
(1910) French biochemist Jacques Monod is born. He shared the 1965 Nobel Prize in Physiology or Medicine for discovering how the levels of proteins are controlled in cells.
(1945) Japanese cell biologist Yoshinori Ohsumi is born. He won the 2016 Nobel Prize in Physiology or Medicine for discovering the mechanisms behind autophagy, self-engulfing and breakdown of a cell.