Template:Selected anniversaries/September 30: Difference between revisions
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||1530: Girolamo Mercuriale born ... physician and philologist. His studies of the attitudes of the ancients toward diet, exercise, and hygiene and the use of natural methods for the cure of disease culminated in the publication of his ''De Arte Gymnastica'' (Venice, 1569). With its explanations concerning the principles of physical therapy, it is considered the first book on sports medicine. Pic. | |||
File:Michael Maestlin.jpg|link=Michael Maestlin (nonfiction)|1550: Astronomer and mathematician [[Michael Maestlin (nonfiction)|Michael Maestlin]] born. He will be a mentor to [[Johannes Kepler (nonfiction)|Johannes Kepler]], and play a sizable part in his adoption of the Copernican system. | |||
||1632: Thomas Allen dies ... mathematician and astrologer. Highly reputed in his lifetime, he published little, but was an active private teacher of mathematics. Pic. | |||
||1751: Claude-François-Dorothée, marquis de Jouffroy d'Abbans born ... inventor of early (perhaps earliest) steamboat. Pic: https://fr.wikipedia.org/wiki/Fichier:Claude_Fran%C3%A7ois_Doroth%C3%A9e_marquis_de_Jouffroy_d%27Abbans.png | |||
||1775: Robert Adrain born ... mathematician, whose career was spent in the USA. He was considered one of the most brilliant mathematical minds of the time in America, during a period when few academics conducted original research. He is chiefly remembered for his formulation of the method of least squares. Pic. | |||
||1802: Antoine Jérôme Balard born ... chemist and one of the discoverers of bromine. Pic. | |||
||1813: John Rae born ... physician and arctic explorer ... surgeon who explored parts of northern Canada, found the final portion of the Northwest Passage (Rae Strait) and reported the fate of Sir John Franklin's lost expedition. In 1846–47 he explored the Gulf of Boothia northwest of Hudson Bay. In 1848–51 he explored the Arctic coast near Victoria Island. In 1854 he went from Boothia to the Arctic coast and learned the fate of Franklin. He was noted for physical stamina, skill at hunting and boat handling, use of native methods and the ability to travel long distances with little equipment while living off the land. Pic. | |||
||1829: Franz Reuleaux born ... mechanical engineer and a lecturer of the Berlin Royal Technical Academy, later appointed as the President of the Academy. He was often called the father of kinematics.... Reuleaux triangle, a curve of constant width that he helped develop as a useful mechanical form. | |||
||1870: Jean Baptiste Perrin born ... physicist and chemist, Nobel Prize laureate ... for his studies of the Brownian motion of minute particles suspended in liquids, verified Albert Einstein’s explanation of this phenomenon and thereby confirmed the atomic nature of matter (sedimentation equilibrium). Pic. | |||
||1882: Johannes Wilhelm "Hans" Geiger born ... physicist. He is best known as the co-inventor of the detector component of the Geiger counter and for the Geiger–Marsden experiment which discovered the atomic nucleus. Pic. | |||
File:Thomas Edison.jpg|link=Thomas Edison (nonfiction)|1882: [[Thomas Edison (nonfiction)|Thomas Edison]]'s first commercial hydroelectric power plant (later known as Appleton Edison Light Company) begins operation on the Fox River in Appleton, Wisconsin, United States. | |||
||1891: Otto Schmidt born ... scientist, mathematician, astronomer, geophysicist, statesman, academician, Hero of the USSR (27 June 1937), and member of the Communist Party. Pic. | |||
||1894: Dirk Jan Struik born ... mathematician, historian of mathematics and Marxian theoretician. Pic. | |||
||1905: Nevill Francis Mott born ... physicist and academic, Nobel Prize laureate. Pic. | |||
||1910: Maurice Lévy dies ... mathematician and engineer. He contributed to total strain theory ... "the directions of increments of principal strains coincide with those of the principal stresses" and that was also the first attempt of using an incremental flow rule. Pic. | |||
File:Samuel Eilenberg 1970.jpg|link=Samuel Eilenberg (nonfiction)|1913: Mathematician [[Samuel Eilenberg (nonfiction)|Samuel Eilenberg]] born. He will co-found category theory with Saunders Mac Lane, and propose the Eilenberg swindle (a construction applying the telescoping cancellation idea to projective modules). | |||
||1916: Arthur Harold Stone born ... mathematician born in London, who worked mostly in topology. he proved the Erdős–Stone theorem with Paul Erdős and is credited with the discovery of the first 2 flexagons, a trihexaflexagon and a hexahexaflexagon. Pic: https://www.cambridge.org/core/journals/bulletin-of-the-london-mathematical-society/article/arthur-harold-stone-19162000/1E575AF918A66A3DEB8F902221CCAFC5 | |||
||1925: Lew Allen, Jr. born ... United States Air Force four-star general and physicist. Allen studied the military effects of high altitude nuclear explosions, later becoming the Director of Space Systems, and subsequently Director of the National Security Agency. Pic. | |||
||1925: Arkady Ostashev born ... engineer and educator. Pic. | |||
||1935: The Hoover Dam, astride the border between the U.S. states of Arizona and Nevada, is dedicated. | |||
||1954: The U.S. Navy submarine USS ''Nautilus'' is commissioned as the world's first nuclear reactor powered vessel. TO_DO | |||
||1958: Chemist Niels Bjerrum dies. He investigated the properties of electrolytic solutions in regards to their dissociation and association,, and introduced the quantity osmotic coefficient in relation to non-ideal solutions of electrolytes. He is known for the Bjerrum length. Pic search. | |||
||1959: Ross Granville Harrison dies ... biologist and anatomist credited as the first to work successfully with artificial tissue culture. Pic. | |||
||1977: Because of US budget cuts and dwindling power reserves, the Apollo program's ALSEP experiment packages left on the Moon are shut down. | |||
||1980: Ethernet specifications are published by Xerox working with Intel and Digital Equipment Corporation. | |||
||1985: Charles Francis Richter dies ... seismologist and physicist. Pic. | |||
||1994: André Michel Lwoff dies ... microbiologist and virologist, Nobel Prize laureate. Pic. | |||
||1999: The Tokaimura nuclear accident causes the deaths of two technicians in Japan's second-worst nuclear accident. | |||
||2001: John C. Lilly dies ... physician, neuroscientist, psychoanalyst, psychonaut, philosopher, writer and inventor. He was a member of a generation of counterculture scientists and thinkers that included Ram Dass, Werner Erhard and Timothy Leary, all frequent visitors to the Lilly home. He often stirred controversy, especially among mainstream scientists. Pic. | |||
||2014: Martin Lewis Perl dies ... physicist who won the Nobel Prize in Physics in 1995 for his discovery of the tau lepton. Pic. | |||
||2015: Stanisław Świerczkowski dies ... mathematician famous for his solutions to two iconic problems posed by Hugo Steinhaus: the three-gap theorem and the Non-Tetratorus Theorem. Pic: https://www.amazon.com/Sets-Numbers-Library-Mathematics-Swierczkowski/dp/071007137X/ref=sr_1_1?s=books&ie=UTF8&qid=1535988419&sr=1-1 | |||
||2016: Bjarni Jónsson dies ... mathematician and logician working in universal algebra, lattice theory, model theory and set theory. Pic. | |||
||2017: Vladimir Alexandrovich Voevodsky dies ... mathematician. His work in developing a homotopy theory for algebraic varieties and formulating motivic cohomology led to the award of a Fields Medal in 2002. Pic. | |||
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Latest revision as of 13:13, 7 February 2022
1550: Astronomer and mathematician Michael Maestlin born. He will be a mentor to Johannes Kepler, and play a sizable part in his adoption of the Copernican system.
1882: Thomas Edison's first commercial hydroelectric power plant (later known as Appleton Edison Light Company) begins operation on the Fox River in Appleton, Wisconsin, United States.
1913: Mathematician Samuel Eilenberg born. He will co-found category theory with Saunders Mac Lane, and propose the Eilenberg swindle (a construction applying the telescoping cancellation idea to projective modules).