Template:Selected anniversaries/September 12: Difference between revisions

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||1900: Jacob Mendes Da Costa dies ... physician. Pic.
||1900: Jacob Mendes Da Costa dies ... physician. Pic.


File:Norman Lorimer Dean with his Dean drive.jpg|link=Norman Lorimer Dean (nonfiction)|1902: Inventor [[Norman Lorimer Dean (nonfiction)|Norman Lorimer Dean]] born. Dean designed the Dean drive, which he promoted as a reactionless drive.
File:Norman Lorimer Dean with his Dean drive.jpg|link=Norman Lorimer Dean (nonfiction)|1902: Inventor [[Norman Lorimer Dean (nonfiction)|Norman Lorimer Dean]] born. Dean will design the Dean drive, which he will promote as a reactionless drive.


||1906: Ernesto Cesàro dies ... mathematician who worked in the field of differential geometry. This is his most important contribution, which he described in Lezione di geometria intrinseca (Naples, 1890). This work contains descriptions of curves which today are eponymously named after him. Pic
||1906: Ernesto Cesàro dies ... mathematician who worked in the field of differential geometry. This is his most important contribution, which he described in Lezione di geometria intrinseca (Naples, 1890). This work contains descriptions of curves which today are eponymously named after him. Pic.


||1917: Désiré André dies ... mathematician, best known for his work on Catalan numbers and alternating permutations. Pic search good: https://www.google.com/search?q=désiré+andré
||1917: Désiré André dies ... mathematician, best known for his work on Catalan numbers and alternating permutations. Pic search good: https://www.google.com/search?q=désiré+andré

Revision as of 06:03, 31 March 2020