Template:Selected anniversaries/November 14: Difference between revisions
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||1971: Johanna (Hanna) Neumann dies ... mathematician who worked on group theory. Pic. | ||1971: Johanna (Hanna) Neumann dies ... mathematician who worked on group theory. Pic. | ||
File:Hanna Neumann.jpg|link=Hanna Neumann (nonfiction)|1971: Mathematician and academic [[Hanna Neumann (nonfiction)|Hanna Neumann]] dies. She contributed to [[Group theory (nonfiction)|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''. | |||
File:Mariner 9.jpg|link=Mariner 9 (nonfiction)|1971: [[Mariner 9 (nonfiction)|Mariner 9]] enters orbit around Mars. It will map 70% of the surface, and study temporal changes in the atmosphere and surface. | File:Mariner 9.jpg|link=Mariner 9 (nonfiction)|1971: [[Mariner 9 (nonfiction)|Mariner 9]] enters orbit around Mars. It will map 70% of the surface, and study temporal changes in the atmosphere and surface. |
Revision as of 09:28, 17 November 2018
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.
2016: Steganographic analysis of Two Creatures 2 unexpectedly reveals "at least fifty kilobytes" of previously unknown Gnomon algorithm functions.
2017: Dennis Paulson celebrates forty-sixth anniversary of Mariner 9 entering orbit around Mars.