Template:Selected anniversaries/July 23: Difference between revisions
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||1884: "Dilly" Knox born ... classics scholar and papyrologist at King's College, Cambridge and a codebreaker. As a member of the Room 40 codebreaking unit he helped decrypt the Zimmermann Telegram which brought the USA into the First World War. He joined the Government Code and Cypher School (GC&CS) at the war's end. Pic search. | ||1884: "Dilly" Knox born ... classics scholar and papyrologist at King's College, Cambridge and a codebreaker. As a member of the Room 40 codebreaking unit he helped decrypt the Zimmermann Telegram which brought the USA into the First World War. He joined the Government Code and Cypher School (GC&CS) at the war's end. Pic search. | ||
||1886: Walter H. Schottky born ... physicist and engineer. Pic. | ||1886: Walter H. Schottky born ... physicist and engineer. Pic. | ||
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||1912: Jean Louis Maxime van Heijenoort born ... pioneer historian of mathematical logic. He was also a personal secretary to Leon Trotsky from 1932 to 1939, and from then until 1947, an American Trotskyist activist. Pic. | ||1912: Jean Louis Maxime van Heijenoort born ... pioneer historian of mathematical logic. He was also a personal secretary to Leon Trotsky from 1932 to 1939, and from then until 1947, an American Trotskyist activist. Pic. | ||
||1916: William Ramsay dies ... chemist and academic, Nobel Prize laureate. | ||1916: William Ramsay dies ... chemist and academic, Nobel Prize laureate. Pic. | ||
||1920: Mathematician, engineer, and academic Ray William Clough born. Clough was a pioneer of the finite element method (FEM). He coined the term "finite elements" in an article in 1960. Pic search. | ||1920: Mathematician, engineer, and academic Ray William Clough born. Clough was a pioneer of the finite element method (FEM). He coined the term "finite elements" in an article in 1960. Pic search. | ||
File:Vera Rubin.jpg|link=Vera Rubin (nonfiction)|1928: Astronomer and academic [[Vera Rubin (nonfiction)|Vera Rubin]] born. She will discover the discrepancy between the predicted angular motion of galaxies and the observed motion, by studying galactic rotation curves. | File:Vera Rubin.jpg|link=Vera Rubin (nonfiction)|1928: Astronomer and academic [[Vera Rubin (nonfiction)|Vera Rubin]] born. She will discover the discrepancy between the predicted angular motion of galaxies and the observed motion, by studying galactic rotation curves. | ||
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||1942: Valdemar Poulsen dies ... engineer who made significant contributions to early radio technology. He developed a magnetic wire recorder called the telegraphone in 1899 and the first continuous wave radio transmitter, the Poulsen arc transmitter, in 1903, which was used in some of the first broadcasting stations until the early 1920s. Pic. | ||1942: Valdemar Poulsen dies ... engineer who made significant contributions to early radio technology. He developed a magnetic wire recorder called the telegraphone in 1899 and the first continuous wave radio transmitter, the Poulsen arc transmitter, in 1903, which was used in some of the first broadcasting stations until the early 1920s. Pic. | ||
File:Telstar.jpg|link=Telstar (nonfiction)|1962: [[Telstar (nonfiction)|Telstar]] relays the first publicly transmitted, live trans-Atlantic television program, featuring Walter Cronkite. | File:Telstar.jpg|link=Telstar (nonfiction)|1962: [[Telstar (nonfiction)|Telstar]] relays the first publicly transmitted, live trans-Atlantic television program, featuring Walter Cronkite. | ||
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||1983: 1983 - Gimli Glider - Air Canada 767 runs out of fuel in midair and makes emergency glide landing at Gimli airstrip; due to metric confusion and fuel metering problems. Pic: interesting photo, plane nose-down on runway: http://canadachannel.ca/todayincanadianhistory/index.php/July_23 | ||1983: 1983 - Gimli Glider - Air Canada 767 runs out of fuel in midair and makes emergency glide landing at Gimli airstrip; due to metric confusion and fuel metering problems. Pic: interesting photo, plane nose-down on runway: http://canadachannel.ca/todayincanadianhistory/index.php/July_23 | ||
||1989: Alexander Weygers dies ... polymath Dutch-American artist who is best known as a sculptor, painter, print maker, blacksmith, carpenter, philosopher, mechanical engineer, aerospace engineer and author. Pic. | |||
||1990: Kenjiro Takayanagi, Japanese engineer (b. 1899) Father of Japanese television. Kenjiro Takayanagi (d. July 23, 1990 in Yokosuka) was a Japanese engineer and a pioneer in the development of television. Although he failed to gain much recognition in the West, he built the world's first all-electronic television receiver, and is referred to as "the father of Japanese television". | ||1990: Kenjiro Takayanagi, Japanese engineer (b. 1899) Father of Japanese television. Kenjiro Takayanagi (d. July 23, 1990 in Yokosuka) was a Japanese engineer and a pioneer in the development of television. Although he failed to gain much recognition in the West, he built the world's first all-electronic television receiver, and is referred to as "the father of Japanese television". | ||
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||2017: Florence Steinberg dies ... publisher of one of the first independent comic books, the underground/alternative comics hybrid Big Apple Comix, in 1975. Additionally, as the secretary for Marvel Comics editor Stan Lee and the fledgling company's receptionist and fan liaison during the 1960s Silver Age of Comic Books, she was a key participant of and witness to Marvel's expansion from a two-person staff to a pop culture conglomerate. Pic (charming). | ||2017: Florence Steinberg dies ... publisher of one of the first independent comic books, the underground/alternative comics hybrid Big Apple Comix, in 1975. Additionally, as the secretary for Marvel Comics editor Stan Lee and the fledgling company's receptionist and fan liaison during the 1960s Silver Age of Comic Books, she was a key participant of and witness to Marvel's expansion from a two-person staff to a pop culture conglomerate. Pic (charming). | ||
</gallery> | </gallery> | ||
Latest revision as of 11:19, 7 February 2022
1754: Joseph-Louis Lagrange publishes his first work, in the form of a letter in Italian. A month later he realized that he had rediscovered Leibniz's formula for the nth derivative of a product.
1829: William Austin Burt patents the typographer, a precursor to the typewriter.
1928: Astronomer and academic Vera Rubin born. She will discover the discrepancy between the predicted angular motion of galaxies and the observed motion, by studying galactic rotation curves.
1962: Telstar relays the first publicly transmitted, live trans-Atlantic television program, featuring Walter Cronkite.