Template:Selected anniversaries/October 25: Difference between revisions
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||1840 – Helen Blanchard, American inventor (d. 1922) sewing machines | ||1840 – Helen Blanchard, American inventor (d. 1922) sewing machines | ||
||Pierre Eugène Marcellin Berthelot (b. 25 October 1827) was a French chemist and politician noted for the Thomsen–Berthelot principle of thermochemistry. He synthesized many organic compounds from inorganic substances, providing a large amount of counterevidence to the theory of Jöns Jakob Berzelius that organic compounds required organisms in their synthesis. Pic. | |||
||Henry Norris Russell (b. October 25, 1877) was an American astronomer who, along with Ejnar Hertzsprung, developed the Hertzsprung–Russell diagram (1910). Pic. | ||Henry Norris Russell (b. October 25, 1877) was an American astronomer who, along with Ejnar Hertzsprung, developed the Hertzsprung–Russell diagram (1910). Pic. | ||
Revision as of 10:47, 1 April 2018
1647: Physicist and mathematician Evangelista Torricelli dies. He invented the barometer, made advances in optics, and worked on the method of indivisibles.
1927: Writer and alleged troll Culvert Origenes received Pulitzer Prize for his essay on Alice Beta's contributions to Gnomon algorithm theory.
1928: Computer scientist, astronomer, and academic Peter Naur born. He will contribute to the design, structure, and performance of computer programs and algorithms.
1962: Mathematician and crime-fighter Alfred Tarski publishes new theory of metamathematical analysis which quickly finds applications in the detection and prevention of crimes against mathematical constants.