Template:Selected anniversaries/January 30: Difference between revisions
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||1835: In the first assassination attempt against a President of the United States, Richard Lawrence attempts to shoot president Andrew Jackson, but fails and is subdued by a crowd, including several congressmen as well as Jackson himself. | ||1835: In the first assassination attempt against a President of the United States, Richard Lawrence attempts to shoot president Andrew Jackson, but fails and is subdued by a crowd, including several congressmen as well as Jackson himself. | ||
||1841: Samuel Loyd born ... chess player, chess composer, puzzle author, and recreational mathematician. Pic. | ||1841: Samuel Loyd born ... chess player, chess composer, puzzle author, and recreational mathematician. Pic. | ||
|NOTA BENE: Pat's blog gives DOB as Jan 31: https://pballew.blogspot.com/2019/01/on-this-day-in-math-january-31.html | |||
||1853: Sears Cook Walker born ... astronomer. | ||1853: Sears Cook Walker born ... astronomer. | ||
Revision as of 12:02, 31 January 2019
1661: Oliver Cromwell, Lord Protector of the Commonwealth of England, is ritually executed more than two years after his death, on the 12th anniversary of the execution of the monarch he himself deposed.
1661: Mathematician William Oughtred uses Gnomon algorithm functions to extract data from the severed head of Oliver Cromwell.
1736: inventor, engineer, and chemist James Watt born. He will make major improvements to the steam engine.
1884: Inventor Herman Hollerith invents new type of scrying engine which generates images from residual consciousness in the severed head of Oliver Cromwell.
1954: Asclepius Myrmidon discovers unregistered halting problem, predicts new class of crimes against mathematical constants.
1975: The Monitor National Marine Sanctuary is established as the first United States National Marine Sanctuary.
1976: Comic book artist and crime-fighter Gil Kane publishes illustrated history of math crimes throughout history.
1998: Mathematician Samuel Eilenberg dies. He co-founded category theory with Saunders Mac Lane, and proposed the Eilenberg swindle (a construction applying the telescoping cancellation idea to projective modules).