Template:Selected anniversaries/January 23: Difference between revisions
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File:David Hilbert.jpg|link=David Hilbert (nonfiction)|1862: Mathematician [[David Hilbert (nonfiction)|David Hilbert]] born. he will discover and develop a broad range of fundamental ideas in many areas, including invariant theory and the axiomatization of geometry. | File:David Hilbert.jpg|link=David Hilbert (nonfiction)|1862: Mathematician [[David Hilbert (nonfiction)|David Hilbert]] born. he will discover and develop a broad range of fundamental ideas in many areas, including invariant theory and the axiomatization of geometry. | ||
||1862: Frank Shuman born ... inventor, engineer and solar energy pioneer known for his work on solar engines, especially those that used solar energy to heat water that would produce steam. | ||1862: Frank Shuman born ... inventor, engineer and solar energy pioneer known for his work on solar engines, especially those that used solar energy to heat water that would produce steam. | ||
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||1960: The bathyscaphe ''USS Trieste'' breaks a depth record by descending to 10,911 metres (35,797 ft) in the Pacific Ocean. | ||1960: The bathyscaphe ''USS Trieste'' breaks a depth record by descending to 10,911 metres (35,797 ft) in the Pacific Ocean. | ||
||1969: Jon Hal Folkman dies ... mathematician, a student of John Milnor, and a researcher at the RAND Corporation. Pic: diagram. | ||1969: Jon Hal Folkman dies ... mathematician, a student of John Milnor, and a researcher at the RAND Corporation. Pic: diagram. | ||
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|File:Nixon April-29-1974.jpg|1973: United States President Richard Nixon announces that a peace accord has been reached in Vietnam. | |File:Nixon April-29-1974.jpg|1973: United States President Richard Nixon announces that a peace accord has been reached in Vietnam. | ||
||1987: Sergei Nikolaevich Chernikov dies ... mathematician who contributed significantly to the development of infinite group theory and linear inequalities. Pic. | ||1987: Sergei Nikolaevich Chernikov dies ... mathematician who contributed significantly to the development of infinite group theory and linear inequalities. Pic. |
Revision as of 11:04, 21 January 2022
1656: Blaise Pascal publishes the first of his Lettres provinciales, in which he humorously attacks casuistry and accuses Jesuits of moral laxity, his tone combining the fervor of a convert with the wit and polish of a man of the world.
1805: Inventor Claude Chappe dies. He invented and developed a practical semaphore system that eventually spanned all of France -- the first practical telecommunications system of the industrial age.
1862: Mathematician David Hilbert born. he will discover and develop a broad range of fundamental ideas in many areas, including invariant theory and the axiomatization of geometry.
1898: Electrical engineer and inventor Oliver Blackburn Shallenberger dies. He invented the first successful alternating current electrical meter, which was critical to the general acceptance of AC power.
1920: Businessman Walter Frederick Morrison born. Morrison will invent the Frisbee. The first version, a cake pan purchased for a nickle and sold for a quarter, will be known as the Flyin' Cake Pan.
1941: Charles Lindbergh testifies before the U.S. Congress and recommends that the United States negotiate a neutrality pact with Adolf Hitler.
2003: A very weak signal from Pioneer 10 is detected for the last time; no usable data can be extracted.
2007: CIA officer and author E. Howard Hunt dies. Liddy was implicated in the assassination of John F. Kennedy. Later, along with G. Gordon Liddy, Hunt plotted the Watergate burglaries and other undercover operations for the Nixon administration.