Template:Selected anniversaries/October 25: Difference between revisions
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||1786: Charles Mason dies ... astronomer who made significant contributions to 18th-century science and American history, particularly through his involvement with the survey of the Mason–Dixon line | ||1786: Charles Mason dies ... astronomer who made significant contributions to 18th-century science and American history, particularly through his involvement with the survey of the Mason–Dixon line | ||
||1789: Samuel Heinrich Schwabe born ... astronomer remembered for his work on sunspots. | ||1789: Samuel Heinrich Schwabe born ... astronomer remembered for his work on sunspots. Pic. | ||
||1790: | ||1790: Robert Stirling born ... clergyman, and inventor of the Stirling engine. Pic. | ||
|| | ||1802: Joseph Montferrand born ... logger and strongman ... inspiration for the legendary Ottawa Valley figure Big Joe Mufferaw. Pic. | ||
|| | ||1811: Évariste Galois born ... mathematician and theorist. Pic. | ||
||1827: Pierre Eugène Marcellin Berthelot born ... 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. | ||1827: Pierre Eugène Marcellin Berthelot born ... 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. | ||
||1836: Philippe Pinel dies ... physician and psychiatrist. Pic. | |||
||1840: Helen Blanchard born ... inventor ... sewing machines. Pic. | |||
||1875: Gilbert N. Lewis born ... physical chemist known for the discovery of the covalent bond and his concept of electron pairs; his Lewis dot structures and other contributions to valence bond theory have shaped modern theories of chemical bonding. Pic. | |||
||1877: Henry Norris Russell born ... astronomer who, along with Ejnar Hertzsprung, developed the Hertzsprung–Russell diagram (1910). Pic. | ||1877: Henry Norris Russell born ... astronomer who, along with Ejnar Hertzsprung, developed the Hertzsprung–Russell diagram (1910). Pic. | ||
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||1904: Georgi Delchev Bradistilov born ... mathematician. Pic. | ||1904: Georgi Delchev Bradistilov born ... mathematician. Pic. | ||
||1910: William Higinbotham born ... physicist | ||1910: William Higinbotham born ... physicist, member of the team that developed the first nuclear bomb, he later became a leader in the nonproliferation movement. Also: video game designer. Pic search. | ||
||1910: Mathematician and logician Gholam Hossein Mosaheb born. Pic. Birth/death dates confusion, see: http://www.iranicaonline.org/articles/mosaheb-gholam-hosayn | ||1910: Mathematician and logician Gholam Hossein Mosaheb born. Pic. Birth/death dates confusion, see: http://www.iranicaonline.org/articles/mosaheb-gholam-hosayn | ||
||1915: Ivan Morton Niven dies ... mathematician, specializing in number theory. Pic. | ||1915: Ivan Morton Niven dies ... mathematician, specializing in number theory. Pic. | ||
File:Peter_Naur.jpg|link=Peter Naur (nonfiction)|1928: Computer scientist, astronomer, and academic [[Peter Naur (nonfiction)|Peter]] Naur born. He will contribute to the design, structure, and performance of computer programs and algorithms. | File:Peter_Naur.jpg|link=Peter Naur (nonfiction)|1928: Computer scientist, astronomer, and academic [[Peter Naur (nonfiction)|Peter]] Naur born. He will contribute to the design, structure, and performance of computer programs and algorithms. | ||
||1929: Roger John Tayler born | ||1929: Astronomer and academic Roger John Tayler born. astronomer. In his scientific work, Professor Tayler made important contributions to stellar structure and evolution, plasma stability, nucleogenesis and cosmology. Pic search. | ||
||1933: Friedrich Heinrich Albert Wangerin dies ... mathematician. Pic. | ||1933: Friedrich Heinrich Albert Wangerin dies ... mathematician. Pic. | ||
||1934: Hermann Ganswindt dies ... inventor and spaceflight scientist, whose inventions (such as the dirigible, the helicopter, and the internal combustion engine) are thought to have been ahead of his time. Pic. | |||
||1944: Heinrich Himmler orders a crackdown on the Edelweiss Pirates, a loosely organized youth culture in Nazi Germany that had assisted army deserters and others to hide from the Third Reich. | ||1944: Heinrich Himmler orders a crackdown on the Edelweiss Pirates, a loosely organized youth culture in Nazi Germany that had assisted army deserters and others to hide from the Third Reich. | ||
||1949: Mary | ||1949: Mary Acworth Evershed dies ... astronomer and Dante scholar. Pic search. | ||
|File:Tunguska-Preservation-TV.jpg|link=Tunguska Event Preservation Society|1962: The [[Tunguska Event Preservation Society]] launches fundraiser to simulate the 1927 Tunguska expedition. | |File:Tunguska-Preservation-TV.jpg|link=Tunguska Event Preservation Society|1962: The [[Tunguska Event Preservation Society]] launches fundraiser to simulate the 1927 Tunguska expedition. | ||
||1883: Karl von Terzaghi born ... geologist and engineer. Pic. | |||
||1971: Mikhail Yangel dies ... leading missile designer in the Soviet Union. Pic. | |||
|| | ||1987: John Ashworth Ratcliffe dies ... radio physicist. Pic search. | ||
||1997: Mina Spiegel Rees dies ... mathematician. She was a pioneer in the history of computing and helped establish funding streams and institutional infrastructure for research. Pic. | ||1997: Mina Spiegel Rees dies ... mathematician. She was a pioneer in the history of computing and helped establish funding streams and institutional infrastructure for research. Pic. | ||
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||1996: Ennio De Giorgi dies ... mathematician, member of the House of Giorgi, who worked on partial differential equations and the foundations of mathematics. Pic. | ||1996: Ennio De Giorgi dies ... mathematician, member of the House of Giorgi, who worked on partial differential equations and the foundations of mathematics. Pic. | ||
||2002: René Thom dies ... mathematician and biologist. | ||2002: René Thom dies ... mathematician and biologist. Pic. | ||
||2011: Scientists in California and Sweden have solved a 250-year-old mystery — a coded manuscript written by a secret society. The University of Southern California announced Tuesday, Oct 25th, that researchers had broken the Copiale Cipher — the writing used in a 105-page 18th century document from Germany. Pic. | ||2011: Scientists in California and Sweden have solved a 250-year-old mystery — a coded manuscript written by a secret society. The University of Southern California announced Tuesday, Oct 25th, that researchers had broken the Copiale Cipher — the writing used in a 105-page 18th century document from Germany. Pic. | ||
</gallery> | </gallery> |
Latest revision as of 13:35, 7 February 2022
1647: Physicist and mathematician Evangelista Torricelli dies. He invented the barometer, made advances in optics, and worked on the method of indivisibles.
1713: Gottfried Leibniz, in a letter to Johann Bernoulli, observed that an alternating series whose terms monotonically decrease to zero in absolute value is convergent.
1928: Computer scientist, astronomer, and academic Peter Naur born. He will contribute to the design, structure, and performance of computer programs and algorithms.