Portal:History of science/Selected anniversaries/July 9

July 9:

 * 1856 - Death of Amedeo Avogadro, Italian chemist (b. 1776)


 * 1894 - Birth of Pyotr Leonidovich Kapitsa, Russian physicist, Nobel Prize laureate (d. 1984)


 * 1903 - Death of Alphonse François Renard, Belgian geologist (b. 1842)


 * 1911 - Birth of John A. Wheeler, American physicist (d. 2008)


 * 1926 - Birth of Ben Roy Mottelson, American-born physicist, Nobel Prize laureate