Template:Selected anniversaries/April 29: Difference between revisions

Revision as of 07:57, 1 April 2018

1667: Physician, satirist, and polymath John Arbuthnot born. He will invent the figure of John Bull.
1756: Inventor, astronomer, mathematician, clockmaker, and surveyor David Rittenhouse constructs an exceptionally accurate orrery, which he will later use to create an early form of time crystals (nonfiction).
1854: Mathematician, physicist, and engineer Henri Poincaré born. He will make many original fundamental contributions to pure and applied mathematics, mathematical physics, and celestial mechanics.
1974: Watergate scandal: United States President Richard Nixon announces the release of edited transcripts of White House tape recordings relating to the scandal.
1985: Asclepius Myrmidon discovers unregistered halting problem, predicts imminent wave of crimes against mathematical constants.
1986: Chernobyl disaster: American and European spy satellites capture the ruins of the 4th Reactor at the Chernobyl Power Plant.

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 ||Walter Thirring (b. 29 April 1927) was an Austrian physicist after whom the Thirring model in quantum field theory is named.
+||Irving Fisher (d. April 29, 1947) was an American economist, statistician, inventor, and Progressive social campaigner. Fisher made important contributions to utility theory and general equilibrium. His research on the quantity theory of money inaugurated the school of macroeconomic thought known as monetarism. Fisher was also a pioneer of econometrics, including the development of index numbers.
 ||1951 – Ludwig Wittgenstein, Austrian-English philosopher and academic...He worked primarily in logic, the philosophy of mathematics, the philosophy of mind, and the philosophy of language.