(1861) German neurologist Max Nonne is born. His research focused on diseases of the nervous system, including syphilis.
(1870) American biologist and anatomist Ross Harrison is born. He is known as being the first person to work with artificial tissue cultures.
(1927) South African biologist Sydney Brenner is born. He shared the 2002 Nobel Prize in Physiology or Medicine for his contribution to the understanding of the genetic code through the use of the C. elegans worm.