Template:Selected anniversaries/February 15: Difference between revisions

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||1676: Newton wrote Hooke: "What DesCartes did was a good step....If I have seen further it is by standing on ye sholders of Giants." *VFR ... The letter is at the Historical Society of Pennsylvania. https://pballew.blogspot.com/2019/02/on-this-day-in-math-february-5.html
||1676: Newton wrote Hooke: "What DesCartes did was a good step....If I have seen further it is by standing on ye sholders of Giants." *VFR ... The letter is at the Historical Society of Pennsylvania. https://pballew.blogspot.com/2019/02/on-this-day-in-math-february-5.html


File:Eustachio_Manfredi.jpg|link=Eustachio Manfredi (nonfiction)|1739: Mathematician, astronomer and poet [[Eustachio Manfredi (nonfiction)|Eustachio Manfredi]] dies.
File:Eustachio_Manfredi.jpg|link=Eustachio Manfredi (nonfiction)|1739: Mathematician, astronomer and poet [[Eustachio Manfredi (nonfiction)|Eustachio Manfredi]] dies. Manfredi's observations of asteroids provided early evidence, albeit unsought, of the revolution of the Earth around the Sun.


||1747: François Dominique Séraphin born ... entertainer who developed and popularized shadow plays in France. The art form would go on to be copied across Europe. Pic search: https://www.google.com/search?q=Fran%C3%A7ois+Dominique+S%C3%A9raphin
||1747: François Dominique Séraphin born ... entertainer who developed and popularized shadow plays in France. The art form would go on to be copied across Europe. Pic search: https://www.google.com/search?q=Fran%C3%A7ois+Dominique+S%C3%A9raphin

Revision as of 17:26, 15 February 2020