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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||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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||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 10:19, 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.