Template:Selected anniversaries/May 25: Difference between revisions
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||Nikolai Dmitrievich Brashman (d. 25 May [O.S. 13 May] 1866) was a Russian mathematician of Austrian origin. | ||Nikolai Dmitrievich Brashman (d. 25 May [O.S. 13 May] 1866) was a Russian mathematician of Austrian origin. | ||
||Andreas Freiherr von Ettingshausen (d. 25 May 1878) was a German mathematician and physicist. Pic. | |||
File:Igor Sikorsky 1914.jpg|link=Igor Sikorsky (nonfiction)|1889: Aircraft designer [[Igor Sikorsky (nonfiction)|Igor Sikorsky]] born. He will pioneer both helicopters and fixed-wing aircraft. | File:Igor Sikorsky 1914.jpg|link=Igor Sikorsky (nonfiction)|1889: Aircraft designer [[Igor Sikorsky (nonfiction)|Igor Sikorsky]] born. He will pioneer both helicopters and fixed-wing aircraft. | ||
Revision as of 13:03, 2 February 2018
986: Astronomer Abd al-Rahman al-Sufi dies.
1889: Aircraft designer Igor Sikorsky born. He will pioneer both helicopters and fixed-wing aircraft.
1981: Physicist and educator Nikolay Basov publishes study on applications of quantum electronics research in detecting and preventing crimes against mathematical constants.
1961: Apollo program: U.S. President John F. Kennedy announces before a special joint session of the Congress his goal to initiate a project to put a "man on the Moon" before the end of the decade.