March 19th
Events
1915 - Pluto is photographed for the first time but was not recognized as a planet
Births
1684 - Jean Astruc, French physician and scholar
1865 - William Morton Wheeler, American entomologist, myrmecologist, pioneer in ethology
1883 - Walter Haworth, British chemist, Nobel Prize laureate
1900 - Frédéric Joliot, French physicist, recipient of the Nobel Prize in Chemistry
1943 - Mario J. Molina, Mexican chemist, Nobel Prize laureate
Deaths
1871 - Wilhelm Karl Ritter von Haidinger, Austrian mineralogist
1914 - Giuseppe Mercalli, Italian volcanologist
1950 - Walter Haworth, British chemist, Nobel Prize laureate (born today in 1883)
1978 - Gaston Julia, French mathematician
1987 - Louis, 7th duc de Broglie, French physicist, Nobel Prize laureate