Template:Selected anniversaries/April 4: Difference between revisions
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||1147: First historical record of Moscow. | ||1147: First historical record of Moscow. | ||
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||1839: James Blyth born ... electrical engineer and academic at Anderson's College, now the University of Strathclyde, in Glasgow. He was a pioneer in the field of electricity generation through wind power and his wind turbine, which was used to light his holiday home in Marykirk, was the world's first-known structure by which electricity was generated from wind power. Pic: http://scienceonstreets.phys.strath.ac.uk/new/James_Blyth.html | ||1839: James Blyth born ... electrical engineer and academic at Anderson's College, now the University of Strathclyde, in Glasgow. He was a pioneer in the field of electricity generation through wind power and his wind turbine, which was used to light his holiday home in Marykirk, was the world's first-known structure by which electricity was generated from wind power. Pic: http://scienceonstreets.phys.strath.ac.uk/new/James_Blyth.html | ||
File:Édouard Lucas.png|link=Édouard Lucas (nonfiction)|1842: Mathematician [[Édouard Lucas (nonfiction)|Édouard Lucas]] born. Lucas will study the Fibonacci sequence; the related Lucas sequences and Lucas numbers will be named after him. | File:Édouard Lucas.png|link=Édouard Lucas (nonfiction)|1842: Mathematician [[Édouard Lucas (nonfiction)|Édouard Lucas]] born. Lucas will study the Fibonacci sequence; the related Lucas sequences and Lucas numbers will be named after him. | ||
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||1933: U.S. Navy airship ''Akron'', is wrecked off the New Jersey coast due to severe weather. | ||1933: U.S. Navy airship ''Akron'', is wrecked off the New Jersey coast due to severe weather. | ||
File:Lazăr Edeleanu.png|link=Lazăr Edeleanu (nonfiction)|1941: Chemist [[Lazăr Edeleanu (nonfiction)|Lazăr Edeleanu]] dies. Edeleanu invented the modern method of refining crude oil, was the first chemist to synthesize amphetamine. | |||
||1941: Henri Bergson dies ... philosopher and theologian, Nobel Prize laureate ... known for his arguments that processes of immediate experience and intuition are more significant than abstract rationalism and science for understanding reality. Pic. | ||1941: Henri Bergson dies ... philosopher and theologian, Nobel Prize laureate ... known for his arguments that processes of immediate experience and intuition are more significant than abstract rationalism and science for understanding reality. Pic. | ||
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||1997: Leo Picard dies ... geologist and academic ... expert in the field of hydrogeology. Pic. | ||1997: Leo Picard dies ... geologist and academic ... expert in the field of hydrogeology. Pic. | ||
||2001: Ed "Big Daddy" Roth dies ... artist, cartoonist, illustrator, pinstriper and custom car designer and builder who created the hot rod icon Rat Fink and other characters. Roth was a key figure in Southern California's Kustom Kulture and hot rod movement of the late 1950s and 1960s. | ||2001: Ed "Big Daddy" Roth dies ... artist, cartoonist, illustrator, pinstriper and custom car designer and builder who created the hot rod icon Rat Fink and other characters. Roth was a key figure in Southern California's Kustom Kulture and hot rod movement of the late 1950s and 1960s. Pic. | ||
||2004: Boris Levitan dies ... mathematician known in particular for his work on almost periodic functions, and Sturm–Liouville operators, especially, on inverse scattering. Pic. | ||2004: Boris Levitan dies ... mathematician known in particular for his work on almost periodic functions, and Sturm–Liouville operators, especially, on inverse scattering. Pic. | ||
||2007: Karen Spärck Jones dies ... computer scientist and academic. Pic. | ||2007: Karen Spärck Jones dies ... computer scientist and academic. Pic. | ||
||2017: George Daniel Mostow dies ... mathematician, renowned for his contributions to Lie theory. The rigidity phenomenon for lattices in Lie groups he discovered and explored is known as Mostow rigidity. Pic: https://news.yale.edu/2013/01/25/conversation-george-daniel-mostow-geometer-nth-dimension | ||2017: George Daniel Mostow dies ... mathematician, renowned for his contributions to Lie theory. The rigidity phenomenon for lattices in Lie groups he discovered and explored is known as Mostow rigidity. Pic: https://news.yale.edu/2013/01/25/conversation-george-daniel-mostow-geometer-nth-dimension | ||
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Latest revision as of 20:54, 26 January 2022
1807: Astronomer, freemason, and writer Joseph Jérôme Lefrançois de Lalande dies. As a lecturer and writer Lalande helped popularize astronomy. His planetary tables were the best available up to the end of the 18th century.
1809: Mathematician Benjamin Peirce born. Peirce will make contributions to celestial mechanics, statistics, number theory, algebra, and the philosophy of mathematics; he will become known for the statement that "Mathematics is the science that draws necessary conclusions".
1826: Electrical engineer Zénobe Gramme born. Gramme will invent the first usefully powerful electric motor.
1842: Mathematician Édouard Lucas born. Lucas will study the Fibonacci sequence; the related Lucas sequences and Lucas numbers will be named after him.
1919: Chemist and physicist William Crookes dies. Crookes was a pioneer of vacuum tube technology, developing the partially evacuated Crookes tube circa 1869-1875.
1923: Mathematician and philosopher John Venn dies. Venn invented the Venn diagram, now widely used set theory, probability, logic, statistics, and computer science.
1941: Chemist Lazăr Edeleanu dies. Edeleanu invented the modern method of refining crude oil, was the first chemist to synthesize amphetamine.
1976: Engineer and theorist Harry Nyquist dies. Nyquist did early theoretical work on determining the bandwidth requirements for transmitting information, laying the foundations for later advances by Claude Shannon, which led to the development of information theory.
1977: Game designer, shop keeper, and outsider mathematician Dave the Gamer announces "Buy n, get n free" sale on all lucky dice in the store.