Template:Selected anniversaries/May 2: Difference between revisions
No edit summary |
No edit summary |
||
| Line 43: | Line 43: | ||
||1967: Robert Daniel Carmichael dies ... mathematician ... known for his research in what are now called the Carmichael numbers (a subset of Fermat pseudoprimes, numbers satisfying properties of primes described by Fermat's Little Theorem although they are not primes), Carmichael's totient function conjecture, Carmichael's theorem, and the Carmichael function, all significant in number theory and in the study of the prime numbers. Pic: http://matematica.unibocconi.it/autore/robert-daniel-carmichael | ||1967: Robert Daniel Carmichael dies ... mathematician ... known for his research in what are now called the Carmichael numbers (a subset of Fermat pseudoprimes, numbers satisfying properties of primes described by Fermat's Little Theorem although they are not primes), Carmichael's totient function conjecture, Carmichael's theorem, and the Carmichael function, all significant in number theory and in the study of the prime numbers. Pic: http://matematica.unibocconi.it/autore/robert-daniel-carmichael | ||
||1973: John Robert Vernon Dolphin dies ... engineer and inventor who joined the British Secret Intelligence Service and then became the Commanding Officer of the top secret Second World War Special Operations Executive (SOE) 'Station IX' where specialist military equipment was developed. During his time there his inventions included the Welman midget submarine and the Welbike Parachutists' Motorcycle. Pic search yes: https://www.google.com/search?q="John%2BRobert%2BVernon%2BDolphin" | |||
||1979: Giulio Natta dies ... chemist and engineer, Nobel Prize laureate. Pic. | ||1979: Giulio Natta dies ... chemist and engineer, Nobel Prize laureate. Pic. | ||
Revision as of 16:12, 9 March 2019
1488: Polymath Leonardo da Vinci publishes groundbreaking treatise on applications of the Gnomon algorithm principle to powered flight.
1519: Polymath Leonardo da Vinci dies. His areas of interest included painting, sculpting, architecture, invention, science, music, mathematics, engineering, literature, anatomy, geology, astronomy, botany, writing, history, and cartography.
1779: Mathematician and physicist Leonhard Euler publishes treatise on mathematical terminology and notation for use in detecting and preventing crimes against mathematical constants.
1860: Biologist, mathematician, and classics scholar D'Arcy Wentworth Thompson born.
1986: Chernobyl disaster: The City of Chernobyl is evacuated six days after the disaster.
1986: Public servant and alleged time-traveller The Custodian says he is "sick and tired of mopping up Chernobyl, among other things."
2002: Mathematician, codebreaker, and academic W. T. Tutte dies. During the Second World War, he made a brilliant and fundamental advance in cryptanalysis of the Lorenz cipher, a major Nazi German cipher system.
2018: Signed first edition of Green Spiral 9 stolen from the Museum of Modern Art by criminal agents of the Forbidden Ratio.