Template:Selected anniversaries/April 23: Difference between revisions

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File:Annie Easley.jpg|link=Annie Easley (nonfiction)|1933: Computer scientist, mathematician, and engineer [[Annie Easley (nonfiction)|Annie Easley]] born. She will be a leading member of the team which develops software for the Centaur rocket stage, and one of the first African-Americans to work as a computer scientist at NASA.
File:Annie Easley.jpg|link=Annie Easley (nonfiction)|1933: Computer scientist, mathematician, and engineer [[Annie Easley (nonfiction)|Annie Easley]] born. She will be a leading member of the team which develops software for the Centaur rocket stage, and one of the first African-Americans to work as a computer scientist at NASA.
File:Alice Beta.jpg|link=Alice Beta|1933: Mathematician and crime fighter [[Alice Beta]] stops the [[Forbidden Ratio]] from kidnapping newborn infant [[Annie Easley (nonfiction)|Annie Easley]]. The [[Forbidden Ratio]] is one of several criminal [[Function (nonfiction)|mathematical functions]] which prey upon [[mathematicians]] and other scientists.


||1938: Stefan Drzewiecki dies ... scientist, journalist, engineer, constructor and inventor, working in France and the Russian Empire. He built the first submarine in the world with electric battery-powered propulsion (1884). Pic.
||1938: Stefan Drzewiecki dies ... scientist, journalist, engineer, constructor and inventor, working in France and the Russian Empire. He built the first submarine in the world with electric battery-powered propulsion (1884). Pic.
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||1951: American journalist William N. Oatis is arrested for espionage by the Communist government of Czechoslovakia. Pic.
||1951: American journalist William N. Oatis is arrested for espionage by the Communist government of Czechoslovakia. Pic.
File:Worcester Lunch Car Company (Research Division).jpg|link=Flying Diner|1955: The [[Flying Diner]] begins twice-daily breakfast and lunch flights between Saint Paul, Minnesota and [[New Minneapolis, Canada]].


File:Harry_Hinsley,_Edward_Travis,_and_John_Tiltman_in_Washington,_November_1945.jpg|link=Edward Travis (nonfiction)|1956: Cryptographer and intelligence officer [[Edward Travis (nonfiction)|Edward Travis]] dies. Travis became the operational head of Bletchley Park during World War II, and was later the head of GCHQ.
File:Harry_Hinsley,_Edward_Travis,_and_John_Tiltman_in_Washington,_November_1945.jpg|link=Edward Travis (nonfiction)|1956: Cryptographer and intelligence officer [[Edward Travis (nonfiction)|Edward Travis]] dies. Travis became the operational head of Bletchley Park during World War II, and was later the head of GCHQ.

Revision as of 19:24, 26 January 2022

  • 1858: Physicist and academic Max Planck born. He will make many contributions to theoretical physics, earning fame as the originator of quantum theory.

    1858: Physicist and academic Max Planck born. He will make many contributions to theoretical physics, earning fame as the originator of quantum theory.

  • 1869: Inventor Edward Hugh Hebern born. He will be a pioneer of rotor encryption machines.

    1869: Inventor Edward Hugh Hebern born. He will be a pioneer of rotor encryption machines.

  • 1933: Computer scientist, mathematician, and engineer Annie Easley born. She will be a leading member of the team which develops software for the Centaur rocket stage, and one of the first African-Americans to work as a computer scientist at NASA.

    1933: Computer scientist, mathematician, and engineer Annie Easley born. She will be a leading member of the team which develops software for the Centaur rocket stage, and one of the first African-Americans to work as a computer scientist at NASA.

  • 1941: Computer programmer and engineer Ray Tomlinson born. He will implement the first email system on the the ARPANET system, including the "@" separator which is still in use today.

    1941: Computer programmer and engineer Ray Tomlinson born. He will implement the first email system on the the ARPANET system, including the "@" separator which is still in use today.

  • 1956: Cryptographer and intelligence officer Edward Travis dies. Travis became the operational head of Bletchley Park during World War II, and was later the head of GCHQ.

    1956: Cryptographer and intelligence officer Edward Travis dies. Travis became the operational head of Bletchley Park during World War II, and was later the head of GCHQ.

  • 1967: Soviet space program: Soyuz 1 (Russian: Союз 1, Union 1) a manned spaceflight carrying cosmonaut Colonel Vladimir Komarov is launched into orbit.

    1967: Soviet space program: Soyuz 1 (Russian: Союз 1, Union 1) a manned spaceflight carrying cosmonaut Colonel Vladimir Komarov is launched into orbit.

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