Template:Selected anniversaries/June 30: Difference between revisions
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||1974 – Vannevar Bush, American engineer and academic (b. 1890) | ||1974 – Vannevar Bush, American engineer and academic (b. 1890) | ||
||Miron Nicolescu (d. June 30, 1975) was a Romanian mathematician. | |||
||2015 – Robert Dewar, English-American computer scientist and academic (b. 1945) | ||2015 – Robert Dewar, English-American computer scientist and academic (b. 1945) | ||
</gallery> | </gallery> | ||
Revision as of 18:29, 27 November 2017
1660: Mathematician William Oughtred dies. He invented the slide rule in 1622.
1770: Astronomer Charles Messier is elected to the French Academy of Sciences.
1907: Spike in crimes against mathematical constants blamed on upcoming Tunguska event.
1908: The Tunguska event occurs in remote Siberia.
1956: The Tunguska Event Preservation Society launches fundraiser to simulate the 1927 Tunguska expedition.