Template:Selected anniversaries/May 25: Difference between revisions
Jump to navigation
Jump to search
No edit summary |
No edit summary |
||
| Line 21: | Line 21: | ||
||1894: Brigadier John Hessell Tiltman born ... was a British Army officer who worked in intelligence, often at or with the Government Code and Cypher School (GC&CS) starting in the 1920s. His intelligence work was largely connected with cryptography, and he showed exceptional skill at cryptanalysis. His work in association with Bill Tutte on the cryptanalysis of the Lorenz cipher, the German teleprinter cipher, called "Tunny" (for tunafish) at Bletchley Park, led to breakthroughs in attack methods on the code, without a computer. Pic. | ||1894: Brigadier John Hessell Tiltman born ... was a British Army officer who worked in intelligence, often at or with the Government Code and Cypher School (GC&CS) starting in the 1920s. His intelligence work was largely connected with cryptography, and he showed exceptional skill at cryptanalysis. His work in association with Bill Tutte on the cryptanalysis of the Lorenz cipher, the German teleprinter cipher, called "Tunny" (for tunafish) at Bletchley Park, led to breakthroughs in attack methods on the code, without a computer. Pic. | ||
||1896: Gabriel Auguste Daubrée dies ... geologist, engineer, and academic. He will be distinguished for his long-continued and often dangerous experiments on the artificial production of minerals and rocks. Pic. | |||
||1902: Calvin Souther Fuller born ... physical chemist at AT&T Bell Laboratories where he worked for 37 years from 1930 to 1967. Fuller was part of a team in basic research that found answers to physical challenges. He helped develop synthetic rubber during World War II, he was involved in early experiments of zone melting, he is credited with devising the method of transistor production yielding diffusion transistors, he produced some of the first solar cells with high efficiency, and he researched polymers and their applications. Pic. | ||1902: Calvin Souther Fuller born ... physical chemist at AT&T Bell Laboratories where he worked for 37 years from 1930 to 1967. Fuller was part of a team in basic research that found answers to physical challenges. He helped develop synthetic rubber during World War II, he was involved in early experiments of zone melting, he is credited with devising the method of transistor production yielding diffusion transistors, he produced some of the first solar cells with high efficiency, and he researched polymers and their applications. Pic. | ||
||1905: Milton Stanley Livingston born ... accelerator physicist, co-inventor of the cyclotron with Ernest Lawrence, and co-discoverer with Ernest Courant and Hartland Snyder of the strong focusing principle, which allowed development of modern large-scale particle accelerators. | ||1905: Milton Stanley Livingston born ... accelerator physicist, co-inventor of the cyclotron with Ernest Lawrence, and co-discoverer with Ernest Courant and Hartland Snyder of the strong focusing principle, which allowed development of modern large-scale particle accelerators. Pic. | ||
||1919: Raymond Merrill Smullyan born ... mathematician, concert pianist, logician, Taoist, and philosopher. Pic. | ||1919: Raymond Merrill Smullyan born ... mathematician, concert pianist, logician, Taoist, and philosopher. Pic. | ||
Revision as of 19:48, 23 February 2019
986: Astronomer Abd al-Rahman al-Sufi dies.
1828: Mathematician Karl Mikhailovich Peterson born. He will discover equations which will subsequently be named the Gauss–Codazzi equations, fundamental to the theory of embedded hypersurfaces in a Euclidean space.
1889: Aircraft designer Igor Sikorsky born. He will pioneer both helicopters and fixed-wing aircraft.
1981: Physicist and educator Nikolay Basov publishes study on applications of quantum electronics research in detecting and preventing crimes against mathematical constants.
1961: Apollo program: U.S. President John F. Kennedy announces before a special joint session of the Congress his goal to initiate a project to put a "man on the Moon" before the end of the decade.