Events
1974 – Lucy is discovered by Donald Johanson, Maurice Taieb, Yves Coppens and Tim White in the Middle Awash of Ethiopia’s Afar Depression.
Births
1756 – Ernst Chladni, German physicist
1768 – Jędrzej Śniadecki, Polish writer, physician, chemist and biologist
1858 – Jagdish Chandra Bose, Indian physicist
1869 – Gustaf Dalén, Swedish physicist and Nobel Prize laureate
1889 – Edgar Douglas Adrian, British physiologist
1915 – Henry Taube, Canadian-born chemist and Nobel Prize laureate