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| | File:Alexis Clairault.jpg|link=Alexis Clairaut (nonfiction)|1713: Mathematician, astronomer, and geophysicist [[Alexis Clairaut (nonfiction)|Alexis Clairaut]] born. Clairaut's work will help to establish the validity of the principles and results that Sir Isaac Newton had outlined in the ''Principia'' of 1687. |
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| ||120: Vettius Valens born ... astrologer. No DOD. Search book cover: https://www.google.com/search?q=vettius+valens
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| ||1588: Ole Worm born ... physician and historian. Pic.
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| File:Alexis Clairault.jpg|link=Alexis Clairaut (nonfiction)|1713: Mathematician, astronomer, and geophysicist [[Alexis Clairaut (nonfiction)|Alexis Clairaut]] born. His work will help to establish the validity of the principles and results that Sir Isaac Newton had outlined in the ''Principia'' of 1687. | |
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| ||1738: Ernst Gottfried Baldinger born ... physician, was born in Großvargula near Erfurt. He studied medicine at Erfurt, Halle and Jena, earning his MD in 1760 under the guidance of Ernst Anton Nicolai and in 1761 was entrusted with the superintendence of the military hospitals connected with the Prussian encampment near Torgau. He published a treatise in 1765, ''De Militum Morbis'', which met with a favorable reception. Pic.
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| ||1753: Lazare Carnot born ... general, mathematician, and politician, French Minister of the Interior. Pic.
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| ||1795: Gérard Paul Deshayes born ... geologist and chronologist. Pic search book cover: https://data.bnf.fr/fr/12459618/gerard-paul_deshayes/
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| File:Edward Lear.jpg|link=Edward Lear (nonfiction)|1812: Artist, musician, author, and poet [[Edward Lear (nonfiction)|Edward Lear]] born either today or yesterday.
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| ||1826: Christian Kramp dies ... mathematician and academic ... worked primarily with factorials. Pic: book cover.
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| ||1832: Georges Cuvier dies ... biologist and academic, "founding father of paleontology". Pic.
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| ||1849: Lou Blonger born ... Wild West saloonkeeper, gambling-house owner, and mine speculator, but is best known as the kingpin of an extensive ring of confidence tricksters that operated for more than 25 years in Denver, Colorado. His "Million-Dollar Bunco Ring" was brought to justice in a famous trial in 1923. Pic.
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| ||1857: Ronald Ross born ... physician and mathematician, Nobel Prize laureate. Pic.
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| ||1859: Denison Olmsted dies ... physicist and astronomer. Professor Olmsted is credited with giving birth to meteor science after the 1833 Leonid meteor shower over North America spurred him to study this phenomenon. Pic.
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| ||1861: The Australian astronomer John Tebbutt discovered the Great Comet of 1861 (depicted), through the tail of which the Earth passed later that year.
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| ||1865: Friedrich Karl Johannes Thiele born ... chemist and a prominent professor at several universities, including those in Munich and Strasbourg. He developed many laboratory techniques related to isolation of organic compounds. In 1907 he described a device for the accurate determination of melting points, since named Thiele tube after him. Pic.
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| ||1871: Anselme Payen dies ... chemist and academic ... known for discovering the enzyme diastase, and the carbohydrate cellulose. Pic.
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| ||1878: Joseph Henry dies ... physicist and academic. Pic.
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| File:Thomas Edison.jpg|link=Thomas Edison (nonfiction)|1880: In Menlo Park, New Jersey, inventor [[Thomas Edison (nonfiction)|Thomas Edison]] performs the first test of his electric railway. | | File:Thomas Edison.jpg|link=Thomas Edison (nonfiction)|1880: In Menlo Park, New Jersey, inventor [[Thomas Edison (nonfiction)|Thomas Edison]] performs the first test of his electric railway. |
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| ||1885: Friedrich Gustav Jakob Henle dies ... physician, pathologist, and anatomist. He is credited with the discovery of the loop of Henle in the kidney. His essay, "On Miasma and Contagia," was an early argument for the germ theory of disease. He was an important figure in the development of modern medicine. Pic.
| | File:Arthur Scherbius.jpg|link=Arthur Scherbius (nonfiction)|1929: Electrical engineer and inventor [[Arthur Scherbius (nonfiction)|Arthur Scherbius]] dies. Scherbius invented and patented the famous mechanical cipher Enigma machine. |
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| ||1885: Ferdinand Minding dies ... mathematician known for his contributions to differential geometry. Minding considered questions of bending of surfaces and proved the invariance of geodesic curvature. He studied ruled surfaces, developable surfaces and surfaces of revolution and determined geodesics on the pseudosphere. Pic.
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| ||1888: Hans-Thilo Schmidt born ... codenamed Asché or Source D, was a spy who, during the 1930s, sold secrets about the Germans' Enigma machine to the French. The materials he provided facilitated Polish mathematician Marian Rejewski's reconstruction of the wiring in the Enigma's rotors and reflector; thereafter the Poles were able to read a large proportion of Enigma-enciphered traffic. Pic.
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| ||1888: With the passage of the Lei Áurea ("Golden Law"), Empire of Brazil abolishes slavery.
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| ||1890: Jacques-Louis Soret dies ... chemist who in 1878, along with Marc Delafontaine, first observed holmium spectroscopically. Soret was also responsible for correctly working out the chemical composition of ozone as being three oxygen atoms bound together. Pic.
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| ||1902: Hugh Rose Foss born ... cryptanalyst. At Bletchley Park during World War II he made significant contributions both to the breaking of the German Enigma code and headed the section tasked with breaking Japanese Naval codes. Pic search.
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| ||1905: Kurt Diebner born ... nuclear physicist who is well known for directing and administrating the German nuclear energy project, a secretive program aiming to build nuclear weapons for Nazi Germany during the course of World War II. Pic.
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| ||1909: William "Bud" Uanna born ... American security expert, who gained prominence as a security officer with the Manhattan Project, which built the first atomic bomb during World War II. Uanna was in charge of security at the project's facility at Oak Ridge, Tennessee, and later at the 509th Composite Group, which dropped atomic bombs on Hiroshima and Nagasaki. After the war, he headed the Atomic Energy Commission (AEC) program to provide security clearances to its personnel, and developed the top-secret Q clearance. He later served as chief of physical security at the State Department. Pic.
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| ||1914: Antonia Ferrín Moreiras born ... mathematician, academic, and astronomer. Pic search.
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| ||1922: Otl Aicher born ... graphic designer and typographer ... designed pictograms for the 1972 Summer Olympics in Munich that proved influential on the use of stick figures for public signage, as well as designing the typeface Rotis. Pic search.
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| File:Arthur Scherbius.jpg|link=Arthur Scherbius (nonfiction)|1929: Electrical engineer and inventor [[Arthur Scherbius (nonfiction)|Arthur Scherbius]] dies. He invented and patented the famous mechanical cipher Enigma machine. | |
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| ||1930: Fridtjof Nansen dies ... scientist, explorer, and academic, Nobel Prize laureate ... Nansen Passport ... Pic.
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| ||1931: András Hajnal born ... professor of mathematics ... work in set theory and combinatorics. The Hajnal–Szemerédi theorem on equitable coloring, proving a 1964 conjecture of Erdős: let Δ denote the maximum degree of a vertex in a finite graph G. Then G can be colored with Δ + 1 colors in such a way that the sizes of the color classes differ by at most one. Pic: http://dimacs.rutgers.edu/archive/DIMACS_highlights/hajnal/hajnal.html
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| ||1935: David Todd Wilkinson born ... pioneer in the field of cosmology, specializing in the study of the cosmic microwave background radiation (CMB) left over from the Big Bang. Pic.
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| File:Roger Zelazny 1988.jpg|link=Roger Zelazny (nonfiction)|1937: Writer [[Roger Zelazny (nonfiction)|Roger Zelazny]] born. He will win the Nebula award three times, and the Hugo award six times.
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| ||1938: Charles Édouard Guillaume dies ... physicist and academic, Nobel Prize laureate. Pic.
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| ||1939: The first commercial FM radio station in the United States is launched in Bloomfield, Connecticut. The station later becomes WDRC-FM.
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| File:Stanisław Leśniewski.jpg|link=Stanisław Leśniewski (nonfiction)|1939: Mathematician, philosopher, and logician [[Stanisław Leśniewski (nonfiction)|Stanisław Leśniewski]] dies. He posited three nested formal systems, to which he will give the Greek-derived names of protothetic, ontology, and mereology.
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| ||1944: Theodore Willard Case dies ... chemist, physicist, and inventor known for the invention of the Movietone sound-on-film sound film system. Pic.
| | File:Roger Zelazny 1988.jpg|link=Roger Zelazny (nonfiction)|1937: Writer [[Roger Zelazny (nonfiction)|Roger Zelazny]] born. Zelazny will win the Nebula award three times, and the Hugo award six times. |
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| ||1957: Michael Fekete dies ... mathematician and academic. Pic. | |
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| ||1958: Ben Carlin becomes the first (and only) person to circumnavigate the world by amphibious vehicle, having travelled over 17,000 kilometres (11,000 mi) by sea and 62,000 kilometres (39,000 mi) by land during a ten-year journey. Pic.
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| File:Marguerite Perey.jpg|link=Marguerite Perey (nonfiction)|1974: Physicist and chemist [[Marguerite Perey (nonfiction)|Marguerite Perey]] dies. Perey discovered the element francium while purifying samples of lanthanum. | | File:Marguerite Perey.jpg|link=Marguerite Perey (nonfiction)|1974: Physicist and chemist [[Marguerite Perey (nonfiction)|Marguerite Perey]] dies. Perey discovered the element francium while purifying samples of lanthanum. |
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| ||1985: Revaz Dogonadze dies ... chemist and physicist. He was the first to view a chemical electron-transfer process as a quantum-mechanical transition between two separate electronic states, induced by weak electrostatic interactions between the molecular entities represented by the states. Pic search.
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| ||1985: Police release a bomb on MOVE headquarters in Philadelphia to end a stand-off, killing six adults and five children, and destroying the homes of 250 city residents.
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| ||1980: Erich Ernest Zepler dies ... electronics expert and chess problem composer. Pic.
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| ||1991: Magnus Rudolph Hestenes dies ... mathematician. Together with Cornelius Lanczos and Eduard Stiefel, he invented the conjugate gradient method. Pic.
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| ||1995: Hao Wang dies ... logician, philosopher, and mathematician. Pic: http://richardzach.org/2016/09/03/interview-with-hao-wang-and-robin-gandy/
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| ||1998: India carries out two nuclear tests at Pokhran, following the three conducted on May 11. The United States and Japan impose economic sanctions on India.
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| ||2001: Sergey Afanasyev dies ... Soviet engineer, space and defense industry executive, the first Minister of the Soviet-era Ministry of General Machine Building. Pic.
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| ||2005: George Bernard Dantzig dies ... mathematical scientist who made important contributions to operations research, computer science, economics, and statistics. Dantzig is known for his development of the simplex algorithm, an algorithm for solving linear programming problems. Pic.
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| ||2010: Paul Roesel Garabedian dies ... mathematician and numerical analyst. He is known for his contributions to the fields of computational fluid dynamics and plasma physics, which ranged from elegant existence proofs for Potential theory and conformal mappings to the design and optimization of stellarators. Pic.
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