Template:Selected anniversaries/September 19: Difference between revisions
No edit summary |
No edit summary |
||
Line 42: | Line 42: | ||
||1968 – Chester Carlson, American physicist and lawyer (b. 1906) | ||1968 – Chester Carlson, American physicist and lawyer (b. 1906) | ||
||Kostas Georgakis (d. 19 September 1970) was a Greek student of geology, who, in the early hours of 19 September 1970, set himself ablaze in Matteotti square in Genoa as a protest against the dictatorial regime of Georgios Papadopoulos. Pic. | |||
||1976 – Two Imperial Iranian Air Force F-4 Phantom II jets fly out to investigate an unidentified flying object when both independently lose instrumentation and communications as they approach, only to have them restored upon withdrawal. | ||1976 – Two Imperial Iranian Air Force F-4 Phantom II jets fly out to investigate an unidentified flying object when both independently lose instrumentation and communications as they approach, only to have them restored upon withdrawal. |
Revision as of 19:17, 12 July 2018
1710: Astronomer and instrument maker Ole Rømer dies. He made the first quantitative measurements of the speed of light.
1749: Mathematician and astronomer Jean Baptiste Joseph Delambre born. He will be one of the first astronomers to derive astronomical equations from analytical formulas.
1761: Mathematician, astronomer, and philosopher Pieter van Musschenbroek dies. He invented the first capacitor in 1746: the Leyden jar.
1811: Mathematician and religious leader Orson Pratt born. As part of his system of Mormon theology, Pratt will embrace the philosophical doctrine of hylozoism.
1845: Famed gem detective and diplomat Niles Cartouchian foils villains, returns stolen relics, brokers peace accord.
1921: Chemist and physicist James Dewar develops liquid gas condensor for use in fighting crimes against mathematical constants.
1935: Scientist and engineer Konstantin Tsiolkovsky dies. He was one of the founding fathers of modern rocketry and astronautics.
2017: Dennis Paulson of Mars credits scientist and engineer Konstantin Tsiolkovsky for "inspiring generations of astronauts."