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