Template:Selected anniversaries/October 21: Difference between revisions
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||1096 | ||1096: People's Crusade: A Seljuk Turkish army successfully fight off the People's Army of the West. | ||
||1505 | ||1505: Paul Scriptoris, German mathematician and educator. He was a successful teacher of the natural sciences, awakening interest in this subject in many of his students. No DOB. No pic online. | ||
||1520 | ||1520: Ferdinand Magellan discovers a strait now known as Strait of Magellan. Pic. | ||
||1558 | ||1558: Julius Caesar Scaliger dies ... physician and scholar. Pic. | ||
File:Nicolaus I Bernoulli.jpg|link=Nicolaus I Bernoulli (nonfiction)|1687: Mathematician and theorist [[Nicolaus I Bernoulli (nonfiction)|Nicolaus I Bernoulli]] born. | File:Nicolaus I Bernoulli.jpg|link=Nicolaus I Bernoulli (nonfiction)|1687: Mathematician and theorist [[Nicolaus I Bernoulli (nonfiction)|Nicolaus I Bernoulli]] born. Bernoulli will introduce a successful resolution to the [[St. Petersburg paradox (nonfiction)|St. Petersburg paradox]]. | ||
||1788: George Combe born ... lawyer who turned to the promotion of phrenology and published several works on the subject. He followed Franz Josef Gall in Paris. Gall was a French physician who identified a number of areas on the surface of the head that he linked with specific localizations of cerebral functions and the underlying attributes of the human personality. Combe established the first infant school in Edinburgh and gave evening lectures. He studied the criminal classes and lunatic asylums wishing to reform them. Pic. | ||1788: George Combe born ... lawyer who turned to the promotion of phrenology and published several works on the subject. He followed Franz Josef Gall in Paris. Gall was a French physician who identified a number of areas on the surface of the head that he linked with specific localizations of cerebral functions and the underlying attributes of the human personality. Combe established the first infant school in Edinburgh and gave evening lectures. He studied the criminal classes and lunatic asylums wishing to reform them. Pic. | ||
||1823: Enrico Betti born ... mathematician, now remembered mostly for his 1871 paper on topology that led to the later naming after him of the Betti numbers. | ||1823: Enrico Betti born ... mathematician, now remembered mostly for his 1871 paper on topology that led to the later naming after him of the Betti numbers. Pic. | ||
||1833: Alfred Nobel born ... chemist and engineer, invented dynamite and founded the Nobel Prize. | ||1833: Alfred Nobel born ... chemist and engineer, invented dynamite and founded the Nobel Prize. Pic. | ||
||1872: Jacques Babinet dies ... physicist, mathematician, and astronomer. | ||1872: Jacques Babinet dies ... physicist, mathematician, and astronomer. Pic. | ||
||1877: Oswald Avery born ... physician and microbiologist. | ||1877: Oswald Avery born ... physician and microbiologist. Avery was one of the first molecular biologists and a pioneer in immunochemistry; he is best known for the experiment (published in 1944 with his co-workers Colin MacLeod and Maclyn McCarty) that isolated DNA as the material of which genes and chromosomes are made. Pic. | ||
||1881: Heinrich Eduard Heine dies ... mathematician. Heine became known for results on special functions and in real analysis. In particular, he authored an important treatise on spherical harmonics and Legendre functions (''Handbuch der Kugelfunctionen''). He also investigated basic hypergeometric series. He introduced the Mehler–Heine formula. Pic. | ||1881: Heinrich Eduard Heine dies ... mathematician. Heine became known for results on special functions and in real analysis. In particular, he authored an important treatise on spherical harmonics and Legendre functions (''Handbuch der Kugelfunctionen''). He also investigated basic hypergeometric series. He introduced the Mehler–Heine formula. Pic. | ||
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||1886: Frederick Guthrie dies ... physicist and chemist and academic author. Pic. | ||1886: Frederick Guthrie dies ... physicist and chemist and academic author. Pic. | ||
||1903: Llewellyn | ||1886: Aviation pioneer Eugene Burton Ely born. He will be credited with the first shipboard aircraft take off and landing. Pic. | ||
||1896: James Henry Greathead dies ... civil engineer renowned for his work on the London Underground railway. He is also the reason that the London Underground is colloquially named "the tube". Pic. | |||
||1903: Llewellyn Thomas born ... physicist and applied mathematician. He is best known for his contributions to atomic physics and solid-state physics. Pic. | |||
||1911: Mary Blair born ... illustrator and animator. | ||1911: Mary Blair born ... illustrator and animator ... prominent in producing art and animation for The Walt Disney Company. Pic. | ||
File:Martin Gardner.jpg|link=Martin Gardner (nonfiction)|1914: Mathematics and science writer [[Martin Gardner (nonfiction)|Martin Gardner]] born. His interests will include stage magic, scientific skepticism, philosophy, religion, and literature. | File:Martin Gardner.jpg|link=Martin Gardner (nonfiction)|1914: Mathematics and science writer [[Martin Gardner (nonfiction)|Martin Gardner]] born. His interests will include stage magic, scientific skepticism, philosophy, religion, and literature. | ||
||1919: Mikhail Yakovlevich Suslin dies ... mathematician who made major contributions to the fields of general topology and descriptive set theory. His name is especially associated to Suslin's problem, a question relating to totally ordered sets. | ||1919: Mikhail Yakovlevich Suslin dies ... mathematician who made major contributions to the fields of general topology and descriptive set theory. His name is especially associated to Suslin's problem, a question relating to totally ordered sets. Pic. | ||
||1921: Ingrid van Houten-Groeneveld born ... astronomer and academic. | ||1921: Ingrid van Houten-Groeneveld born ... astronomer and academic. Pic. | ||
||1926: André Jagendorf | André Jagendorf|link=André Jagendorf (nonfiction)|1926: Botanist and academic [[André Jagendorf (nonfictio)|André Jagendorf]] born. Jagendorf provided direct evidence that chloroplasts synthesize adenosine triphosphate (ATP) using the chemiosmotic mechanism proposed by Peter Mitchell. | ||
||1931: The Sakurakai, a secret society in the Imperial Japanese Army, launches an abortive coup d'état attempt. | ||1931: The Sakurakai, a secret society in the Imperial Japanese Army, launches an abortive coup d'état attempt. | ||
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||1961: First attempt at Project Ford West fails: the copper needles fail to disperse. | ||1961: First attempt at Project Ford West fails: the copper needles fail to disperse. | ||
||1967: Ejnar Hertzsprung dies ... chemist and astronomer, born in Copenhagen, Denmark. In the period 1911–1913, together with Henry Norris Russell, he developed the Hertzsprung–Russell diagram. Pic. | |||
||1967: The Soviet space probe Venera 4 became the first spacecraft to perform direct in situ analysis of the environment of another planet (Venus). | ||1967: The Soviet space probe Venera 4 became the first spacecraft to perform direct in situ analysis of the environment of another planet (Venus). | ||
||1967: | ||1967: Flower Power is a photograph taken by American photographer Bernie Boston for the now-defunct The Washington Star newspaper. Taken on October 21, 1967, during the National Mobilization Committee to End the War in Vietnam's "March on The Pentagon", the photo shows a Vietnam War protester placing a carnation into the barrel of a rifle held by a soldier of the 503rd Military Police Battalion. | ||
File:Wacław Sierpiński.jpg|link=Wacław Sierpiński (nonfiction)|1969: Mathematician and academic [[Wacław Sierpiński (nonfiction)|Wacław Sierpiński]] dies. He made important contributions to set theory (research on the axiom of choice and the continuum hypothesis), number theory, theory of functions, and topology. | File:Wacław Sierpiński.jpg|link=Wacław Sierpiński (nonfiction)|1969: Mathematician and academic [[Wacław Sierpiński (nonfiction)|Wacław Sierpiński]] dies. He made important contributions to set theory (research on the axiom of choice and the continuum hypothesis), number theory, theory of functions, and topology. | ||
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||1978: Australian civilian pilot Frederick Valentich vanishes in a Cessna 182 over the Bass Strait south of Melbourne, after reporting contact with an unidentified aircraft. | ||1978: Australian civilian pilot Frederick Valentich vanishes in a Cessna 182 over the Bass Strait south of Melbourne, after reporting contact with an unidentified aircraft. | ||
||1980: Hans Asperger dies ... physician and psychologist. | ||1980: Hans Asperger dies ... physician and psychologist. Pic. | ||
||1995: Linda Goodman dies ... astrologer and author. Pic search. | |||
||1998: Nicholas Kemmer dies ... nuclear physicist working in Britain, who played an integral and leading edge role in United Kingdom's nuclear program. Pic. | ||1998: Nicholas Kemmer dies ... nuclear physicist working in Britain, who played an integral and leading edge role in United Kingdom's nuclear program. Pic. | ||
||2000: Dirk Jan Struik dies ... mathematician, historian of mathematics, and Marxian theoretician. Pic. | ||2000: Dirk Jan Struik dies ... mathematician, historian of mathematics, and Marxian theoretician. Pic. | ||
||2001: John H. Plumb dies ... historian known for his books on British 18th-century history. During the Second World War Plumb worked in the codebreaking department of the Foreign Office at Bletchley Park, Hut 8 & Hut 4; later Block B. He headed a section working on a German Naval hand cipher, Reservehandverfahren. Pic search. | |||
||2002: Bernhard Hermann Neumann dies ... mathematician who was a leader in the study of group theory. Pic. | ||2002: Bernhard Hermann Neumann dies ... mathematician who was a leader in the study of group theory. Pic. | ||
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||2011: George Daniels dies ... horologist who was considered to be the best in the world during his lifetime. He was one of the few modern watchmakers who built complete watches by hand (including the case and dial). But it was his creation of the coaxial escapement for which he is most remembered. The movement, which removed the need to add a lubricant, has been used by Omega in their highest-grade watches since 1999. Pic. https://en.wikipedia.org/wiki/George_Daniels_(watchmaker) | ||2011: George Daniels dies ... horologist who was considered to be the best in the world during his lifetime. He was one of the few modern watchmakers who built complete watches by hand (including the case and dial). But it was his creation of the coaxial escapement for which he is most remembered. The movement, which removed the need to add a lubricant, has been used by Omega in their highest-grade watches since 1999. Pic. https://en.wikipedia.org/wiki/George_Daniels_(watchmaker) | ||
||2017: Gilbert Stork dies ... organic chemist and academic. ... known for making significant contributions to the total synthesis of natural products, including a life-long fascination with the synthesis of quinine. In so doing he also made a number of contributions to mechanistic understanding of reactions, and performed pioneering work on enamine chemistry, leading to development of the Stork enamine alkylation. Pic search. | |||
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Latest revision as of 06:12, 13 March 2022
1687: Mathematician and theorist Nicolaus I Bernoulli born. Bernoulli will introduce a successful resolution to the St. Petersburg paradox.
1914: Mathematics and science writer Martin Gardner born. His interests will include stage magic, scientific skepticism, philosophy, religion, and literature.
- André Jagendorf
1926: Botanist and academic André Jagendorf born. Jagendorf provided direct evidence that chloroplasts synthesize adenosine triphosphate (ATP) using the chemiosmotic mechanism proposed by Peter Mitchell.
1958: National Pareidolia Day declared in the United States.
1969: Mathematician and academic Wacław Sierpiński dies. He made important contributions to set theory (research on the axiom of choice and the continuum hypothesis), number theory, theory of functions, and topology.