Events
1943 - Albert Hofmann discovers the psychedelic effects of LSD.
Births
1495 - Petrus Apianus, German mathematician
1660 - Hans Sloane, British collector and physician
1728 - Joseph Black, Scottish chemist
1823 - Ferdinand Eisenstein, German mathematician
Deaths
1783 - Christian Mayer, Czech astronomer
1788 - Georges-Louis Leclerc, Comte de Buffon, French naturalist
1888 - Zygmunt Florenty Wróblewski, Polish physicist
1914 - George William Hill, American astronomer
1958 - Rosalind Franklin, British chemist
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