Template:Selected anniversaries/November 14: Difference between revisions
No edit summary |
No edit summary |
||
| (One intermediate revision by the same user not shown) | |||
| Line 44: | Line 44: | ||
||1945: Eldridge Reeves Johnson dies ... businessman and engineer who founded the Victor Talking Machine Company and built it into the leading American producer of phonographs and phonograph records and one of the leading phonograph companies in the world at the time. Pic. | ||1945: Eldridge Reeves Johnson dies ... businessman and engineer who founded the Victor Talking Machine Company and built it into the leading American producer of phonographs and phonograph records and one of the leading phonograph companies in the world at the time. Pic. | ||
||1948: Mathematician and astronomer William Duncan MacMillan dies - he researched applications of classical mechanics to astronomy, and is noted for pioneering speculations on physical cosmology. | |||
||1965: Allen B. DuMont dies ... electronics engineer, scientist and inventor best known for improvements to the cathode ray tube in 1931 for use in television receivers. Seven years later he manufactured and sold the first commercially practical television set to the public. Pic. | ||1965: Allen B. DuMont dies ... electronics engineer, scientist and inventor best known for improvements to the cathode ray tube in 1931 for use in television receivers. Seven years later he manufactured and sold the first commercially practical television set to the public. Pic. | ||
| Line 66: | Line 68: | ||
||2014: Eugene Dynkin dies ... mathematician and theorist. He has made contributions to the fields of probability and algebra, especially semisimple Lie groups, Lie algebras, and Markov processes. The Dynkin diagram, the Dynkin system, and Dynkin's lemma are named after him. Pic. | ||2014: Eugene Dynkin dies ... mathematician and theorist. He has made contributions to the fields of probability and algebra, especially semisimple Lie groups, Lie algebras, and Markov processes. The Dynkin diagram, the Dynkin system, and Dynkin's lemma are named after him. Pic. | ||
File:Dennis_Paulson_of_Mars.jpg|link=Dennis Paulson of Mars|2017: [[Dennis Paulson of Mars|Dennis Paulson]] celebrates forty-sixth anniversary of [[Mariner 9 (nonfiction)|Mariner 9]] entering orbit around [[Mars (nonfiction)|Mars]]. | File:Dennis_Paulson_of_Mars.jpg|link=Dennis Paulson of Mars|2017: [[Dennis Paulson of Mars|Dennis Paulson]] celebrates forty-sixth anniversary of [[Mariner 9 (nonfiction)|Mariner 9]] entering orbit around [[Mars (nonfiction)|Mars]]. | ||
</gallery> | </gallery> | ||
Latest revision as of 21:42, 24 March 2024
1716: Mathematician and philosopher Gottfried Wilhelm Leibniz dies. He developed differential and integral calculus independently of Isaac Newton, and designed and built mechanical calculators.
1971: Mathematician and academic Hanna Neumann dies. She contributed to group theory, co-authoring the important paper Wreath products and varieties of groups (with her husband Bernhard and eldest son Peter), and authoring the influential book Varieties of Groups.
1971: Mariner 9 enters orbit around Mars. It will map 70% of the surface, and study temporal changes in the atmosphere and surface.
2011: Physicist and academic Rudolf Mössbauer dies. He was awarded the 1961 Nobel Prize in Physics for his discovery (1957) of recoilless nuclear resonance fluorescence (now known as the Mössbauer effect), the basis for Mössbauer spectroscopy.
2017: Dennis Paulson celebrates forty-sixth anniversary of Mariner 9 entering orbit around Mars.