Template:Selected anniversaries/December 23: Difference between revisions
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||1895: John Russell Hind dies ... astronomer. Early discoverer of asteroids. Pic. | ||1895: John Russell Hind dies ... astronomer. Early discoverer of asteroids. Pic. | ||
||1900: Otto Soglow born ... cartoonist. | ||1900: Otto Soglow born ... cartoonist. Pic. | ||
||1907: Pierre Jules César Janssen dies ... astronomer who, along with English scientist Joseph Norman Lockyer, is credited with discovering the gaseous nature of the solar chromosphere, and with some justification the element helium. | ||1907: Pierre Jules César Janssen dies ... astronomer who, along with English scientist Joseph Norman Lockyer, is credited with discovering the gaseous nature of the solar chromosphere, and with some justification the element helium. Pic. | ||
||1908: Hugo Hadwiger dies ... mathematician, known for his work in geometry, combinatorics, and cryptography. Pic. | ||1908: Hugo Hadwiger dies ... mathematician, known for his work in geometry, combinatorics, and cryptography. Pic. | ||
||1912: Anna J. Harrison | ||1912: Anna J. Harrison born ... organic chemist and academic. Pic. | ||
||1913: The Federal Reserve Act is signed into law by President Woodrow Wilson, creating the Federal Reserve System. | ||1913: The Federal Reserve Act is signed into law by President Woodrow Wilson, creating the Federal Reserve System. | ||
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||1971: Hugh Rose Foss born ... cryptanalyst. At Bletchley Park during World War II he made significant contributions both to the breaking of the German Enigma code and headed the section tasked with breaking Japanese Naval codes. | ||1971: Hugh Rose Foss born ... cryptanalyst. At Bletchley Park during World War II he made significant contributions both to the breaking of the German Enigma code and headed the section tasked with breaking Japanese Naval codes. | ||
||1972: Andrei Tupolev | ||1972: Andrei Tupolev dies ... engineer, designed the Tupolev Tu-95 and Tupolev Tu-104. Pic. | ||
||1973: Ralph Hartzler Fox dies ... mathematician. As a professor at Princeton University, he taught and advised many of the contributors to the Golden Age of differential topology, and he played an important role in the modernization and main-streaming of knot theory. | ||1973: Ralph Hartzler Fox dies ... mathematician. As a professor at Princeton University, he taught and advised many of the contributors to the Golden Age of differential topology, and he played an important role in the modernization and main-streaming of knot theory. | ||
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||2013: Mikhail Kalashnikov dies ... Russian general and weapons designer, designed the AK-47 rifle. | ||2013: Mikhail Kalashnikov dies ... Russian general and weapons designer, designed the AK-47 rifle. | ||
||2014: Robert V. Hogg | ||2014: Robert V. Hogg dies ... statistician and academic. Pic: https://clas.uiowa.edu/news/clas-mourns-passing-professor-emeritus-robert-v-hogg-pioneering-statistician-teacher-mentor-and | ||
||December 23 is the fictional date of the [[Zendian problem (nonfiction)|Zendian problem]], a US Army cryptography training exercise involving 375 radio messages said to have been intercepted on December 23 by the US Army contingent of a United Nations force landed on the fictional island of Zendia in the Pacific Ocean. | ||December 23 is the fictional date of the [[Zendian problem (nonfiction)|Zendian problem]], a US Army cryptography training exercise involving 375 radio messages said to have been intercepted on December 23 by the US Army contingent of a United Nations force landed on the fictional island of Zendia in the Pacific Ocean. | ||
Revision as of 10:51, 12 December 2018
1722: Mathematician and academic Pierre Varignon dies. He simplified the proofs of many propositions in mechanics, adapted Leibniz's calculus to the inertial mechanics of Newton's Principia, and treated mechanics in terms of the composition of forces.
1822: Inventor and engineer Wilhelm Bauer born. He will design and invent submarines.
1948: Mathematician Wilhelm Ackermann publishes his research on applications of the Ackermann function to detecting and preventing crimes against mathematical constants.
2016: Signed first edition of Blue City Sunset purchased for an undisclosed amount by "a well-known mathematician residing in New Minneapolis, Canada."