Template:Selected anniversaries/December 7: Difference between revisions
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||Sir George Howard Darwin KCB FRS FRSE (d/ 7 December 1912) was an English barrister and astronomer. He studied tidal forces involving the Sun, Moon, and Earth, and formulated the fission theory of Moon formation. | ||Sir George Howard Darwin KCB FRS FRSE (d/ 7 December 1912) was an English barrister and astronomer. He studied tidal forces involving the Sun, Moon, and Earth, and formulated the fission theory of Moon formation. | ||
||Guido Zappa (b. 7 December 1915) was an Italian mathematician and a noted group theorist: his other main research interests were geometry and also the history of mathematics. | |||
File:Hermann Weyl.jpg|link=Hermann Weyl (nonfiction)|1929: Mathematician, physicist, and philosopher [[Hermann Weyl (nonfiction)|Hermann Weyl]] uses fermions (now known as [[Weyl semimetal (nonfiction)|Weyl semimetals]]) to detect and prevent [[crimes against mathematical constants]]. | File:Hermann Weyl.jpg|link=Hermann Weyl (nonfiction)|1929: Mathematician, physicist, and philosopher [[Hermann Weyl (nonfiction)|Hermann Weyl]] uses fermions (now known as [[Weyl semimetal (nonfiction)|Weyl semimetals]]) to detect and prevent [[crimes against mathematical constants]]. | ||
Revision as of 21:42, 5 November 2017
903: Astronomer Abd al-Rahman al-Sufi born. He will publish his Book of Fixed Stars in 964.
1823: Mathematician Leopold Kronecker born. His work will include number theory, algebra, and logic.
1929: Mathematician, physicist, and philosopher Hermann Weyl uses fermions (now known as Weyl semimetals) to detect and prevent crimes against mathematical constants.
1963: Instant replay makes its debut during the Army-Navy football game in Philadelphia, Pennsylvania, United States.