Portal:History of science/Selected anniversaries/March 19

March 19:

 * 1865 - Birth of William Morton Wheeler, American entomologist, myrmecologist, pioneer in ethology (d. 1937)


 * 1871 - Death of Wilhelm Karl Ritter von Haidinger, Austrian mineralogist (b. 1795)


 * 1883 - Birth of Walter Haworth, British chemist, Nobel laureate (d. 1950)


 * 1897 - Death of Antoine Thomson d'Abbadie, French geographer (b. 1810)


 * 1900 - Birth of Frédéric Joliot, French physicist, Nobel laureate (d. 1958)


 * 1914 - Birth of Leonidas Alaoglu, Greek-Canadian mathematician (d. 1981)


 * 1914  - Death of Giuseppe Mercalli, Italian volcanologist (b. 1850)


 * 1915 - Pluto is photographed for the first time but is not recognized as a planet


 * 1942 - Death of Clinton Hart Merriam, American zoologist (b. 1855)


 * 1943 - Birth of Mario J. Molina, Mexican chemist, Nobel laureate


 * 1950 - Death of Walter Haworth, British chemist, Nobel laureate (b. 1883)


 * 1987 - Death of Louis, 7th duc de Broglie, French physicist, Nobel laureate (b. 1892)


 * 2008 - GRB 080319B: A cosmic burst that is the farthest object visible to the naked eye was briefly observed on this day