Template:Selected anniversaries/June 20: Difference between revisions

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||1917 – Helena Rasiowa, Austrian-Polish mathematician and academic (d. 1994)
||1917 – Helena Rasiowa, Austrian-Polish mathematician and academic (d. 1994)
||James Mason Crafts (d. June 20, 1917) was an American chemist, mostly known for developing the Friedel-Crafts alkylation and acylation reactions with Charles Friedel in 1876. Pic.


||Sumner Increase Kimball (d. June 20, 1923) was the organizer of the United States Life-Saving Service and the General Superintendent of the Life-Saving Service from 1878-1915.
||Sumner Increase Kimball (d. June 20, 1923) was the organizer of the United States Life-Saving Service and the General Superintendent of the Life-Saving Service from 1878-1915.

Revision as of 09:07, 1 April 2018