Events
1978 – Birth of Louise Brown, the first "test tube baby".
1984 – Salyut 7 Cosmonaut Svetlana Savitskaya becomes the second woman in space and the first to perform a space walk.
Births
1799 – David Douglas, Scottish botanist
1920 – Rosalind Franklin, English crystallographer whose work formed the basis for Watson and Crick’s discovery of the double helical structure of DNA.
Deaths
1616 – Andreas Libavius, German physician and chemist
1842 – Dominique Jean Larrey, French surgeon
1843 – Charles Macintosh, Scottish chemist and inventor
1963 – Ugo Cerletti, Italian neurologist