Portal:History of science/Selected anniversaries/April 26

April 26:

 * 1774 - Birth of Christian Leopold von Buch, German geologist (d. 1853)


 * 1785 - Birth of John James Audubon, French-American naturalist and illustrator (d. 1851)


 * 1879 - Birth of Owen Willans Richardson, British physicist, Nobel Prize laureate (d. 1959)


 * 1900 - Birth of Charles Richter, American geophysicist (d. 1985)


 * 1920 - Death of Srinivasa Ramanujan, Indian mathematician (b. 1887)


 * 1932 - Birth of Michael Smith, English-born chemist, Nobel laureate (d. 2000)


 * 1933 - Birth of Arno Allan Penzias, German-born physicist, Nobel laureate


 * 1940 - Death of Carl Bosch, German chemist, Nobel laureate (b. 1874)


 * 1951 - Death of Arnold Sommerfeld, German physicist (b. 1868)


 * 1986 - In Ukraine, a nuclear reactor accident occurs at the Chernobyl Nuclear Power Plant, creating the world's worst nuclear disaster


 * 1994 - Physicists announce first evidence of the top quark subatomic particle