Template:Selected anniversaries/September 19: Difference between revisions
No edit summary |
No edit summary |
||
Line 26: | Line 26: | ||
||1888 – James Waddell Alexander II, American mathematician and topologist (d. 1971) | ||1888 – James Waddell Alexander II, American mathematician and topologist (d. 1971) | ||
||Ky Fan (b. September 19, 1914) was an American mathematician | |||
File:James Dewar.jpg|link=James Dewar (nonfiction)|1921: Chemist and physicist [[James Dewar (nonfiction)|James Dewar]] develops liquid gas condensor for use in fighting [[crimes against mathematical constants]]. | File:James Dewar.jpg|link=James Dewar (nonfiction)|1921: Chemist and physicist [[James Dewar (nonfiction)|James Dewar]] develops liquid gas condensor for use in fighting [[crimes against mathematical constants]]. |
Revision as of 17:23, 24 January 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."