Portal:History of science/Selected anniversaries/January 2

January 2:

• 1822 - Birth of Rudolf Clausius, German physicist (d. 1888)

• 1827 - Birth of Peter Semenov of Tian Shan, Russian explorer (d. 1914)

• 1860 - The discovery of the planet Vulcan is announced at a meeting of the Académie des Sciences in Paris

• 1892 - Death of George Airy, British Astronomer Royal (b. 1801)

• 1893 - Death of John Obadiah Westwood, British entomologist (b. 1805)

• 1905 - Birth of Lev Schnirelmann, Russian mathematician (d. 1938)

• 1940 - Birth of S. R. S. Varadhan, Indian-American mathematician

• 1947 - Birth of Jack Hanna, American zoologist

• 2005 - Death of Maclyn McCarty, American geneticist (b. 1911)