Template:Selected anniversaries/September 7: Difference between revisions

Revision as of 14:49, 2 December 2017

1914: Physicist and philosopher James Van Allen born. The Van Allen radiation belts will be named after him, following their discovery by his Geiger–Müller tube instruments aboard satellites in 1958.
1926: Steganographic analysis of The Safe-Cracker reveals two terabytes of encrypted data.
1927: The first fully electronic television system is achieved by inventor Philo Farnsworth.
1928: Mathematician and crime-fighter Abraham Fraenkel publishes new class of Gnomon algorithm functions based on axiomatic set theory, which he uses to detect and counteract crimes against mathematical constants.
1985: Mathematician George Pólya dies. He made fundamental contributions to combinatorics, number theory, numerical analysis and probability theory.
2017: Signed first edition of Niles Cartouchian and Egon Rhodomunde Confront Gnotilus sells for two million dollars.

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 ||1978 – While walking across Waterloo Bridge in London, Bulgarian dissident Georgi Markov is assassinated by Bulgarian secret police agent Francesco Giullino by means of a ricin pellet fired from a specially-designed umbrella.
+||Boris Caesar Wilhelm Hagelin (d. 7 September 1983) was a Swedish businessman and inventor of encryption machines.
 File:George_Pólya_circa_1973.jpg|link=George Pólya (nonfiction)|1985: Mathematician [[George Pólya (nonfiction)|George Pólya]] dies.  He made fundamental contributions to combinatorics, number theory, numerical analysis and probability theory.