Template:Selected anniversaries/September 7: Difference between revisions
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||1776: According to American colonial reports, Ezra Lee makes the world's first submarine attack in the Turtle, attempting to attach a time bomb to the hull of HMS Eagle in New York Harbor (no British records of this attack exist). | ||1776: According to American colonial reports, Ezra Lee makes the world's first submarine attack in the Turtle, attempting to attach a time bomb to the hull of HMS Eagle in New York Harbor (no British records of this attack exist). | ||
||1799: Louis-Guillaume Le Monnier dies ... botanist and physicist. | ||1799: Louis-Guillaume Le Monnier dies ... botanist and physicist. No pic online. | ||
||1799: Jan Ingenhousz dies ... physiologist, biologist and chemist. He is best known for discovering photosynthesis by showing that light is essential to the process by which green plants absorb carbon dioxide and release oxygen. He also discovered that plants, like animals, have cellular respiration. Pic. | ||1799: Jan Ingenhousz dies ... physiologist, biologist and chemist. He is best known for discovering photosynthesis by showing that light is essential to the process by which green plants absorb carbon dioxide and release oxygen. He also discovered that plants, like animals, have cellular respiration. Pic. | ||
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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. | ||
||1986: Nelson | ||1986: Nelson Dunford dies ... 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. Pic search book cover: https://www.google.com/search?q=Nelson+James+Dunford+mathematician | ||
||1991: Edwin McMillan dies ... physicist and chemist, Nobel Prize laureate. Pic. | ||1991: Edwin McMillan dies ... physicist and chemist, Nobel Prize laureate. Pic. | ||
Revision as of 11:15, 31 March 2019
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.
1930: Mathematician Kurt Godel announced his famous Incompleteness Theorem -- that there are true but unprovable statements in arithmetic -- in a discussion on the foundations of mathematics organized by the Vienna Circle.
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.
2018: Green Tangle 2 voted Picture of the Day by the citizens of New Minneapolis, Canada.