Template:Selected anniversaries/June 20: Difference between revisions

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File:Bacteriophage Exterior.svg|link=Transdimensional corporation|[[Transdimensional corporation]] spontaneously generates four-dimensional bacteriophage.
||1597: Willem Barentsz dies ... cartographer and explorer. No DOB. Pic.
 
||1776: Benjamin Huntsman dies ... inventor and businessman ... inventor and manufacturer of cast or crucible steel. Pic search.
 
||1782: The U.S. Congress adopts the Great Seal of the United States.
 
||1794: Ivan Simonov born ... astronomer and a geodesist. Pic.
 
||1800: Abraham Kästner dies ... mathematician, academic, and epigrammatist. Pic.
 
||1807: Ferdinand Berthoud dies ... scientist and watchmaker. Pic.
 
||1819: The U.S. vessel SS Savannah arrives at Liverpool, United Kingdom. It is the first steam-propelled vessel to cross the Atlantic, although most of the journey is made under sail. Pic.
 
||1838: Theodore Reye born ... mathematician. He contributed to geometry, particularly projective geometry and synthetic geometry, introducing the concept of configurations. The Reye configuration of 12 points, 12 planes, and 16 lines is named after him. Pic.
 
File:Telegraph.jpg|link=Electrical telegraph (nonfiction)|1840: [[Samuel Morse (nonfiction)|Samuel Morse]] receives the patent for the [[Electrical telegraph (nonfiction)|telegraph]].
 
||1861: Frederick Gowland Hopkins born ... biochemist and academic, Nobel Prize laureate. Pic.
 
||1873: Alfred Loewy born ... mathematician who worked on representation theory. Loewy rings, Loewy length, Loewy decomposition and Loewy series are named after him. Pic: http://www.learn-math.info/mathematicians/historyDetail.htm?id=Loewy
 
File:Wilhelm Bauer.gif|link=Wilhelm Bauer (nonfiction)|1875: Inventor and engineer [[Wilhelm Bauer (nonfiction)|Wilhelm Bauer]] dies.  He designed and built several hand-powered [[Submarine (nonfiction)|submarines]].
 
||1875: Reginald Punnett born ... geneticist, statistician, and academic. He is best remembered today as the creator of the Punnett square, a tool still used by biologists to predict the probability of possible genotypes of offspring. Pic.
 
File:Alexander Graham Bell.jpg|link=Alexander Graham Bell (nonfiction)|1877: [[Alexander Graham Bell (nonfiction)|Alexander Graham Bell]] installs the world's first commercial telephone service in Hamilton, Ontario, Canada.
 
||1884: Mary R. Calvert born ... astronomer and author.
 
||1889: John S. Paraskevopoulos born ... astronomer and academic. His goal -- building a large telescope in Greece -- was never realized, due to the war between Greece and Turkey. Pic.
 
||1897: Harold Frederick Pitcairn born ... aviation inventor and pioneer. He played a key role in the development of the autogyro and founded the Autogiro Company of America. He patented a number of innovations relating to rotary wing aircraft. Pic.
 
||1903: Benjamin deForest Bayly born ... electrical engineer and a professor at the University of Toronto. During World War II he invented a cypher machine called the Rockex and handled communications at the secret intelligence base Camp X. No DOB. Pic search.
 
||1907: John Ronald Womersley born ... mathematician and computer scientist who made important contributions to computer development, and hemodynamics. Nowadays he is principally remembered for his contribution to blood flow, fluid dynamics and the eponymous Womersley number, a dimensionless parameter characterizing unsteady flow. Pic search.
 
||1912: Markus Fierz born ... physicist, particularly remembered for his formulation of spin-statistics theorem, and for his contributions to the development of quantum theory, particle physics, and statistical mechanics. He was awarded the Max Planck Medal in 1979 and the Albert Einstein Medal in 1989 for all his work. Pic.
 
||1917: Helena Rasiowa born ... mathematician and academic. Rasiowa worked in the foundations of mathematics and algebraic logic. Pic.
 
||1917: James Mason Crafts dies ... chemist, mostly known for developing the Friedel-Crafts alkylation and acylation reactions with Charles Friedel in 1876. Pic.
 
||1859: Wilhelm Hallwachs born ... physicist. In 1888 Hallwachs formulated the hypothesis that a conductive plate on which to focus ultraviolet light carries a positive charge because the electrons are gouged out. This happened with more intensity in selenium. The phenomenon was seen in the same year by A. Righi. The phenomenon was called 'Hallwachs-Effekt', now called the photoelectric effect. The investigation of the photoelectric effect laid the foundation for the development of the photoelectric cell, photo electricity and Albert Einstein's quantum light hypothesis. Pic.
 
||1923: Sumner Increase Kimball dies ... organizer of the United States Life-Saving Service and the General Superintendent of the Life-Saving Service from 1878-1915.
 
||1926: James Eells born ... mathematician, who specialized in mathematical analysis. Pic.
 
||1934: Eduard Ritter von Weber dies ... mathematician. He will work with partial differential equations, in particular the Pfaff problem.  Pic.
 
||1944: The experimental MW 18014 V-2 rocket reaches an altitude of 176 km, becoming the first man-made object to reach outer space.
 
||1947: Gangster Bugsy Siegel dies. Pic.
 
||1958: Kurt Alder dies ... chemist and academic, Nobel Prize laureate ... the 1950 Nobel Prize in Chemistry shared with Otto Diels for their work on what is now known as the Diels–Alder reaction.  Pic.
 
||1963: Following the Cuban Missile Crisis, the Soviet Union and the United States sign an agreement to establish the so-called "red telephone" link between Washington and Moscow.
 
||1963: Raphaël Salem dies ... mathematician and academic. Pic.
 
||1966: Georges Lemaître dies ... priest, physicist, and astronomer. Pic.
 
||1972: Watergate scandal: An 18½-minute gap appears in the tape recording of the conversations between U.S. President Richard Nixon and his advisers regarding the recent arrests of his operatives while breaking into the Watergate complex.
 
||1990: Asteroid Eureka is discovered.
 
||2002: Erwin Chargaff dies ... biochemist and academic. Pic.
 
||2005: Jack Kilby dies ... physicist and engineer, Nobel Prize laureate ... took part (along with Robert Noyce) in the realization of the first integrated circuit while working at Texas Instruments (TI) in 1958. He was awarded the Nobel Prize in Physics on December 10, 2000. Pic.
 
||2006: Markus Fierz dies ... physicist, particularly remembered for his formulation of spin-statistics theorem, and for his contributions to the development of quantum theory, particle physics, and statistical mechanics. He was awarded the Max Planck Medal in 1979 and the Albert Einstein Medal in 1989 for all his work. Pic.
 
||2010: Floris Takens dies ... mathematician known for contributions to the theory of chaotic dynamical systems. Together with David Ruelle, he predicted that fluid turbulence could develop through a strange attractor, a term they coined, as opposed to the then-prevailing theory of accretion of modes. The prediction was later confirmed by experiment. Pic.
 
||2011: Professor He Zehui dies ... nuclear physicist who worked to develop and exploit nuclear physics in Germany and China. Pic.
 
File:Self portrait (20 June 2024) 20240620_202729.jpg|link=Self portrait (20 June 2024)|2024: '''[[Self portrait (20 June 2024)|Self portrait]]'''.
 
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