Template:Selected anniversaries/September 19: Difference between revisions
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||1710 – Ole Rømer, Danish astronomer and instrument maker (b. 1644) | ||1710 – Ole Rømer, Danish astronomer and instrument maker (b. 1644) | ||
||1749 | 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. | ||
||1811 – Orson Pratt, American mathematician and religious leader (d. 1881) | ||1811 – Orson Pratt, American mathematician and religious leader (d. 1881) | ||
Revision as of 07:30, 9 July 2017
1749: Mathematician and astronomer Jean Baptiste Joseph Delambre born. He will be one of the first astronomers to derive astronomical equations from analytical formulas.
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.