Template:Selected anniversaries/July 22: Difference between revisions
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||1926: Gerald Edward "Gerry" Brown born ... American theoretical physicist who worked on nuclear physics and astrophysics. | ||1926: Gerald Edward "Gerry" Brown born ... American theoretical physicist who worked on nuclear physics and astrophysics. | ||
||1930: Shreeram Shankar Abhyankar born ... mathematician known for his contributions to algebraic geometry. He, at the time of his death, held the Marshall distinguished professor of mathematics chair at Purdue University, and was also a professor of computer science and industrial engineering. He is known for Abhyankar's conjecture of finite group theory. His latest research was in the area of computational and algorithmic algebraic geometry. Pic. | |||
File:Reginald Fessenden.jpg|link=Reginald Fessenden (nonfiction)|1932: Inventor [[Reginald Fessenden (nonfiction)|Reginald Fessenden]] dies. He performed pioneering experiments in radio, including the use of continuous waves and the early—and possibly the first—radio transmissions of voice and music. | File:Reginald Fessenden.jpg|link=Reginald Fessenden (nonfiction)|1932: Inventor [[Reginald Fessenden (nonfiction)|Reginald Fessenden]] dies. He performed pioneering experiments in radio, including the use of continuous waves and the early—and possibly the first—radio transmissions of voice and music. | ||
Revision as of 10:00, 11 October 2018
1826: Priest, mathematician, and astronomer Giuseppe Piazzi dies. He discovered dwarf planet Ceres.
1827: Gem detective and astronomer Niles Cartouchian discovers time crystals on the dwarf planet Ceres.
1827: Engineer and inventor Sandford Fleming dies. He proposed worldwide standard time zones.
1932: Inventor Reginald Fessenden dies. He performed pioneering experiments in radio, including the use of continuous waves and the early—and possibly the first—radio transmissions of voice and music.
1962: Engineer, pilot, and alleged time-traveller Henrietta Bolt tries to warn NASA that Mariner 1 has been targeted by math criminals.
1962: Mariner program: Mariner 1 spacecraft flies erratically several minutes after launch and has to be destroyed.
2016: Signed first edition of Spiral sells for an undisclosed amount to "a prominent mathematician and long-time resident of New Minneapolis, Canada."