Template:Selected anniversaries/August 17: Difference between revisions

Revision as of 21:14, 2 April 2018

1807: Robert Fulton's North River Steamboat leaves New York City for Albany, New York, on the Hudson River, inaugurating the first commercial steamboat service in the world.
1904: Physicist, chemist, and crime-fighter Marie Curie condemns Extract of Radium as "a terrible hazard to health and sanity."
1929: Captain and pilot Francis Gary Powers born.
1930: Film director and arms dealer Egon Rhodomunde begins shooting his film Spy Pilot.
1970: Soviet spacecraft Venera 7 launched from Earth. It will become the first successful soft landing on another planet (Venus).
1996: Lorenz system develops self-awareness, spontaneous seeks out and fights crimes against mathematical constants.

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 ||Rudolf Haag (b. 17 August 1922) was a German physicist. He was best known for his contributions to the algebraic formulation of axiomatic quantum field theory (QFT), namely the Haag–Kastler axioms, and a central no-go theorem in QFT, Haag's theorem, which demonstrates the nonexistence of a unitary time-evolution operator in the interaction picture. Pic.
+||Pavel Samuilovich Urysohn (b. February 3, 1898 – August 17, 1924) was a Soviet mathematician of Jewish origin who is best known for his contributions in dimension theory, and for developing Urysohn's Metrization Theorem and Urysohn's Lemma. Pic.
 ||Erik Ivar Fredholm (d. 17 August 1927) was a Swedish mathematician whose work on integral equations and operator theory foreshadowed the theory of Hilbert spaces. Pic.