Template:Selected anniversaries/June 9: Difference between revisions
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||1942: John Norman Mather born ... mathematician and academic ... worked on singularity theory and Hamiltonian dynamics. Pic. | ||1942: John Norman Mather born ... mathematician and academic ... worked on singularity theory and Hamiltonian dynamics. Pic. | ||
||1942: American diplomat Bonner Fellers switches to a newly adopted U.S. code system, depriving the Axis of further information from the broken Black code. https://en.wikipedia.org/wiki/Black_(code) | |||
||1944: World War II: Ninety-nine civilians are hanged from lampposts and balconies by German troops in Tulle, France, in reprisal for maquisards attacks. | ||1944: World War II: Ninety-nine civilians are hanged from lampposts and balconies by German troops in Tulle, France, in reprisal for maquisards attacks. |
Revision as of 06:48, 29 July 2019
1861: Physicist, mathematician, and historian Pierre Duhem born. He will write: "A theory of physics is not an explanation. It is a system of mathematical propositions, deduced from a small number of principles, which have for their aim to represent as simply, as completely and as exactly as possible, a group of experimental laws."
1917: Mathematician and philosopher Georg Cantor publishes new theory of sets derived from Gnomon algorithm functions. Colleagues hail it as "a magisterial contribution to science and art of detecting and preventing crimes against mathematical constants."
1950: Novelist and screenwriter Dalton Trumbo is photographed Bureau of Prisons authorities. Trumbo will serve eleven months in the federal penitentiary in Ashland, Wisconsin for refusing to testify before House Un-American Activities Committee.
1953: Singer-physicist J. R. Oppenheimer's song "Destroyer of Worlds" is condemned by the House Un-American Activities Committee as "pernicious satire which knowingly demeans the national security state."
1954: "You've done enough. Have you no sense of decency, sir, at long last? Have you left no sense of decency?" —Joseph Welch, special counsel for the United States Army, lashes out at Senator Joseph McCarthy during hearings on whether Communism has infiltrated the Army. See McCarthyism.
2018: Signed first edition of Green Ring 2 used in high-energy literature experiment unexpectedly develops artificial intelligence.