Template:Selected anniversaries/April 22: Difference between revisions

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||1891: Nicola Sacco born ... anarchist.
||1891: Nicola Sacco born ... anarchist.


||1895: Étienne Léopold Trouvelot dies ... artist, astronomer and amateur entomologist. He is noted for the import and release of the gypsy moth into North America.
||1895: Étienne Léopold Trouvelot dies ... artist, astronomer and amateur entomologist. He is noted for the import and release of the gypsy moth into North America. Pic. Drawings: http://www.huntington.org/WebAssets/Templates/exhibitiondetail.aspx?id=25040 http://www.graphicine.com/etienne-trouvelot-astronomical-drawings/


||1903: John Francis Riordan born ... mathematician and the author of major early works in combinatorics, particularly Introduction to Combinatorial Analysis and Combinatorial Identities. Pic, book cover: https://www.amazon.com/Introduction-Combinatorial-Analysis-Dover-Mathematics/dp/0486425363
||1903: John Francis Riordan born ... mathematician and the author of major early works in combinatorics, particularly Introduction to Combinatorial Analysis and Combinatorial Identities. Pic, book cover: https://www.amazon.com/Introduction-Combinatorial-Analysis-Dover-Mathematics/dp/0486425363

Revision as of 13:06, 29 September 2018