Template:Selected anniversaries/April 3: Difference between revisions
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||1888 – The first of eleven unsolved brutal murders of women committed in or near the impoverished Whitechapel district in the East End of London, occurs. | ||1888 – The first of eleven unsolved brutal murders of women committed in or near the impoverished Whitechapel district in the East End of London, occurs. | ||
||Carl Gustav Axel von Harnack (d. 3 April 1888) was a German mathematician who contributed to potential theory. Harnack's inequality applied to harmonic functions. He also worked on the real algebraic geometry of plane curves, proving Harnack's curve theorem for real plane algebraic curves. | |||
||Hans Adolph Rademacher (b. 3 April 1892) was a German-born American mathematician, known for work in mathematical analysis and number theory. | ||Hans Adolph Rademacher (b. 3 April 1892) was a German-born American mathematician, known for work in mathematical analysis and number theory. | ||
Revision as of 10:29, 29 November 2017
1693: Carpenter and clockmaker John Harrison born. He will invent a marine chronometer, a long-sought-after device for solving the problem of calculating longitude while at sea.
1827: Physicist, musician, and academic Ernst Chladni dies. He has been called both the father of acoustics and the father of meteoritics.
1841: Inventor and crime-fighter Charles Grafton Page publishes new class of Gnomon algorithm functions which detect and prevent crimes against mathematical constants.
1998: Mathematician and academic Mary Cartwright dies. She did pioneering work in chaos theory.
1999: Sensors on the Mir spacecraft detect patterns of electricity which reveal existence of a vast artificial intelligence in the Earth's ionosphere.
