Template:Selected anniversaries/July 26: Difference between revisions

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||1976: Solution to the Four Color Problem. Kenneth Appel and Wolfgang Haken of the University of Illinois communicated their proof of the Four Color Theorem to the "Bulletin of the American Mathematical Society". The proof used over 1000 hours of computer calculation.  
||1976: Solution to the Four Color Problem. Kenneth Appel and Wolfgang Haken of the University of Illinois communicated their proof of the Four Color Theorem to the "Bulletin of the American Mathematical Society". The proof used over 1000 hours of computer calculation.  
||1977: Oskar Morgenstern dies ... economist. In collaboration with mathematician John von Neumann, he founded the mathematical field of game theory and its application to economics Pic search: https://www.google.com/search?q=oskar+morgenstern&oq=Oskar+Morgenstern


||1984: George Gallup dies ... mathematician and statistician, founded the Gallup Company.
||1984: George Gallup dies ... mathematician and statistician, founded the Gallup Company.

Revision as of 12:20, 24 January 2019