Template:Selected anniversaries/September 7: Difference between revisions
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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. | 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. | ||
||Nelson James Dunford (d. September 7, 1986) was an American mathematician, known for his work in functional analysis, namely integration of vector valued functions, ergodic theory, and linear operators. The Dunford decomposition, Dunford–Pettis property, and Dunford-Schwartz theorem bear his name. | |||
||1991 – Edwin McMillan, American physicist and chemist, Nobel Prize laureate (b. 1907) | ||1991 – Edwin McMillan, American physicist and chemist, Nobel Prize laureate (b. 1907) | ||
Revision as of 17:15, 5 November 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.