Template:Selected anniversaries/April 5: Difference between revisions
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||2004 – Heiner Zieschang, German mathematician and academic (b. 1936). No pic. | ||2004 – Heiner Zieschang, German mathematician and academic (b. 1936). No pic. | ||
||Irving John Good (d. 5 April 2009) was a British mathematician who worked as a cryptologist at Bletchley Park with Alan Turing. After World War II, Good continued to work with Turing on the design of computers and Bayesian statistics at the University of Manchester. | |||
||2009 – North Korea launches its controversial Kwangmyŏngsŏng-2 rocket. The satellite passed over mainland Japan, which prompted an immediate reaction from the United Nations Security Council, as well as participating states of Six-party talks. | ||2009 – North Korea launches its controversial Kwangmyŏngsŏng-2 rocket. The satellite passed over mainland Japan, which prompted an immediate reaction from the United Nations Security Council, as well as participating states of Six-party talks. | ||
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Revision as of 06:58, 22 April 2018
1523: Cryptographer and diplomat Blaise de Vigenère (nonfiction) born. The Vigenère cipher will be misattributed to him; Vigenère himself will devise a different, stronger cipher.
1869: Physicist, mathematician, and engineer Sergey Chaplygin born. He will be known for mathematical formulas such as Chaplygin's equation, and for a hypothetical substance in cosmology called Chaplygin gas, named after him.
1870: Adventurer Wallace War-Heels publishes autobiography.
1900: Mathematician, economist, and academic Joseph Louis François Bertrand dies. He worked in the fields of number theory, differential geometry, probability theory, economics and thermodynamics.
1910: Havelock and Nikola Tesla share Nobel Prize in Physics for research into electrical field modulation and data transmission.
1976: Businessman, investor, aviator, film director, and philanthropist Howard Hughes dies. He was known during his lifetime as one of the most financially successful individuals in the world.