Template:Selected anniversaries/September 19: Difference between revisions

Revision as of 17:12, 14 August 2017

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.
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."

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 ||1692 – Giles Corey, American farmer and accused wizard (b. c. 1612) "More weight"
-||1710 – Ole Rømer, Danish astronomer and instrument maker (b. 1644)
+File:Ole Rømer.jpg|link=Ole Rømer (nonfiction)|1710: Astronomer and instrument maker [[Ole Rømer (nonfiction)|Ole Rømer]] dies. He made the first quantitative measurements of the speed of light.
 File:Jean Baptiste Joseph Delambre.png|link=Jean Baptiste Joseph Delambre (nonfiction)|1749: Mathematician and astronomer [[Jean Baptiste Joseph Delambre (nonfiction)|Jean Baptiste Joseph Delambre]] born.  He will be one of the first astronomers to derive astronomical equations from analytical formulas.