Template:Selected anniversaries/July 20: Difference between revisions

Revision as of 06:36, 13 October 2019

1866: Mathematician and academic Bernhard Riemann dies. He made contributions to analysis, number theory, and differential geometry.
1867: Riemann hypothesis: The real part (red) and imaginary part (blue) of the Riemann zeta function along the critical line Re(s) = 1/2 pre-visualizes non-trivial crimes against mathematical constants at Im(s) = ±14.135, ±21.022 and ±25.011.
1932: In Washington, D.C., police fire tear gas on World War I veterans, part of the Bonus Expeditionary Force, who attempt to march to the White House.
1937: Businessman and inventor Guglielmo Marconi dies. He shared the 1909 Nobel Prize in Physics with Karl Ferdinand Braun "in recognition of their contributions to the development of wireless telegraphy".
1938: Mathematician and crime-fighter Ferdinand von Lindemann uses the transcendental property of π (pi) to detect and prevent crimes against mathematical constants.
1977: Project MKUltra (nonfiction): The Central Intelligence Agency releases documents under the Freedom of Information Act revealing it had engaged in mind-control experiments.
2017: Signed first edition of Two Creatures 2 stolen from the Weisman Art Museum in New Minneapolis, Canada by Killer Poke and his gang of criminal mathematical functions.
2018: Pin Man says he "was an unwilling test subject in the Project MKUltra (nonfiction)."

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 ||1882: Olga Hahn-Neurath born ... mathematician and philosopher ... Boolean algebra. She is best known for being a member of the Vienna Circle. Pic search yes:  https://www.google.com/search?q=Olga+Hahn-Neurath
+||1888: Paul Langerhans dies ... pathologist, physiologist and biologist. Pic.
 ||1888: Geneve Lucy Angela Shaffer born ... realtor, lecturer and author. In 1909 she was touted by the San Francisco Call as "the first woman in the world to sail in a flying machine". Pic.