Template:Selected anniversaries/April 25: Difference between revisions

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File:Srinivasa Ramanujan.jpg|link=Srinivasa Ramanujan (nonfiction)|1904: Mathematician, theorist, and crime-fighter [[Srinivasa Ramanujan (nonfiction)|Srinivasa Ramanujan]] uses the the Ramanujan theta function to detect and prevent [[crimes against mathematical constants]].
File:Srinivasa Ramanujan.jpg|link=Srinivasa Ramanujan (nonfiction)|1904: Mathematician, theorist, and crime-fighter [[Srinivasa Ramanujan (nonfiction)|Srinivasa Ramanujan]] uses the the Ramanujan theta function to detect and prevent [[crimes against mathematical constants]].


||1912: Donald Clayton Spencer born ... mathematician, known for work on deformation theory of structures arising in differential geometry, and on several complex variables from the point of view of partial differential equations. Pic: https://www.geni.com/people/Donald-Spencer/6000000000566571886
||1912: Donald C. Spencer born ... mathematician, known for work on deformation theory of structures arising in differential geometry, and on several complex variables from the point of view of partial differential equations. Pic: https://www.geni.com/people/Donald-Spencer/6000000000566571886


||1918: Gérard de Vaucouleurs born ... astronomer and academic.
||1918: Gérard de Vaucouleurs born ... astronomer and academic.
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File:Operation Sandblast track.jpg|link=Operation Sandblast (nonfiction)|1960: The United States Navy submarine USS ''Triton'' completes [[Operation Sandblast (nonfiction)|Operation Sandblast]], the first submerged circumnavigation of the globe.
File:Operation Sandblast track.jpg|link=Operation Sandblast (nonfiction)|1960: The United States Navy submarine USS ''Triton'' completes [[Operation Sandblast (nonfiction)|Operation Sandblast]], the first submerged circumnavigation of the globe.


||1961: Robert Noyce is granted a patent for an integrated circuit.
||1961: Robert Noyce is granted a patent for an integrated circuit. Pic.


||1981: More than 100 workers are exposed to radiation during repairs of a nuclear power plant in Tsuruga, Japan.
||1981: More than 100 workers are exposed to radiation during repairs of a nuclear power plant in Tsuruga, Japan.
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File:Pioneer 10 construction.jpg|link=Pioneer 10 (nonfiction)|1983: [[Pioneer 10 (nonfiction)|Pioneer 10]] travels beyond Pluto's orbit.
File:Pioneer 10 construction.jpg|link=Pioneer 10 (nonfiction)|1983: [[Pioneer 10 (nonfiction)|Pioneer 10]] travels beyond Pluto's orbit.


||1996: Saul Bass, American graphic designer and director (b. 1920)
||1996: Saul Bass dies ... American graphic designer and director. Pic.


||1997: Bernard Vonnegut dies ... atmospheric scientist credited with discovering that silver iodide could be used effectively in cloud seeding to produce snow and rain. He was the older brother of American novelist Kurt Vonnegut. Pic: http://www.atmos.albany.edu/daes/bvonn/bvonnegut.html
||1997: Bernard Vonnegut dies ... atmospheric scientist credited with discovering that silver iodide could be used effectively in cloud seeding to produce snow and rain. He was the older brother of American novelist Kurt Vonnegut. Pic: http://www.atmos.albany.edu/daes/bvonn/bvonnegut.html
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||2002: Athanasios Papoulis dies ... engineer and applied mathematician. Pic.
||2002: Athanasios Papoulis dies ... engineer and applied mathematician. Pic.


||2014: Barbara Fiske Calhoun dies ... cartoonist and painter.
||2014: Barbara Fiske Calhoun dies ... cartoonist and painter. Pic search: https://www.google.com/search?q=Barbara+Fiske+Calhoun


File:Red Spiral 2.jpg|link=Red Spiral 2 (nonfiction)|2018: Signed first edition of ''[[Red Spiral 2 (nonfiction)|Red Spiral 2]]'' stolen from Hermitage in Saint Petersburg, Russia by the notorious criminal mathematical function [[Gnotilus]].
File:Red Spiral 2.jpg|link=Red Spiral 2 (nonfiction)|2018: Signed first edition of ''[[Red Spiral 2 (nonfiction)|Red Spiral 2]]'' stolen from Hermitage in Saint Petersburg, Russia by the notorious criminal mathematical function [[Gnotilus]].


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Revision as of 11:20, 17 January 2019