* Astronomy

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Wladimir Peter Köppen (September 25, 1846 in Saint Petersburg, Russia - June 22, 1940 in Graz, Austria) was a Russian born geographer, meteorologist, climatologist and botanist of German descent. Read more

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John Ray Dunning (September 24, 1907 in Shelby, Nebraska - August 25, 1975 in Key Biscayne, Florida) was an American physicist who played key roles in the development of the atomic bomb. Read more

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Pol F. Swings (24 September 1906, Ransart, Belgium-28 October 1983) was a Belgian astrophysicist who was known for his studies of the composition and structure of stars and comets. Read more

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Charlotte Emma Moore Sitterly (September 24, 1898 - March 3, 1990) was an American astronomer. She worked extensively on solar spectroscopy, analysing the spectral lines of the Sun and thereby identifying the chemical elements in the Sun. She earned a Ph.D. in astronomy in 1931 from the Universit...

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Gerolamo (or Girolamo, or Geronimo) Cardano (24 September 1501 - 21 September 1576) was an Italian Renaissance mathematician, physician, astrologer and gambler. His gambling led him to formulate elementary rules in probability, making him one of the founders of the field. Read more

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Title: Wilbur Norman Christiansen 1913-2007 Authors: R.H. Frater, W.M. Goss W. N. ('Chris') Christiansen was an innovative and influential radio astronomy pioneer. The hallmarks of his long and distinguished career in science and engineering, spanning almost five decades, were his inventiv...

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Armand Hippolyte Louis Fizeau (September 23, 1819 - September 18, 1896) was a French physicist. Read more

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Chen-Ning Franklin Yang (born October 1, 1922) is a Chinese-American physicist who works on statistical mechanics and particle physics. He, together with Tsung-dao Lee, received the 1957 Nobel prize in physics for their work on parity nonconservation of weak interaction. Read more

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Eugen Sänger (22 September 1905 - 10 February 1964) was an Austrian-German aerospace engineer best known for his contributions to lifting body and ramjet technology. Read more

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Rudolf Ludwig Mössbauer (German spelling: Mößbauer; January 31, 1929 - September 14, 2011) was a German physicist best known for his 1957 discovery of recoilless nuclear resonance fluorescence for which he was awarded the 1961 Nobel Prize in Physics. This effect, called the Mössbauer effect, is...

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Heike Kamerlingh Onnes (21 September 1853 - 21 February 1926) was a Dutch physicist and Nobel laureate. He pioneered refrigeration techniques, and he explored how materials behaved when cooled to nearly absolute zero. Read more

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Jean Baptiste Joseph, chevalier Delambre (19 September 1749, Amiens - 19 August 1822, Paris) was a French mathematician and astronomer. He was also director of the Paris Observatory, and author of well-known books on the history of astronomy from ancient times to the 18th century. Read more

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James Waddell Alexander II (September 19, 1888 - September 23, 1971) was a mathematician and topologist of the pre-World War II era and part of an influential Princeton topology elite, which included Oswald Veblen, Solomon Lefschetz, and others. Read more

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John Goodricke FRS (17 September 1764 - 20 April 1786) was an eminent and profoundly deaf amateur astronomer. He is best known for his observations of the variable star Algol (Beta Persei) in 1782. Read more

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Bernhard Riemann (September 17, 1826 - July 20, 1866) was an influential German mathematician who made lasting contributions to analysis and differential geometry, some of them enabling the later development of general relativity. Read more

Topic		Started By	Replies	Last Post
	Wladimir Peter Köppen (1846 - 1940) (Preview) Wladimir Peter Köppen (September 25, 1846 in Saint Petersburg, Russia - June 22, 1940 in Graz, Austria) was a Russian born geographer, meteorologist, climatologist and botanist of German descent. Read more	Blobrana	0	Sep 24 23:19 2011 by Blobrana
	John Ray Dunning (1907 - 1975) (Preview) John Ray Dunning (September 24, 1907 in Shelby, Nebraska - August 25, 1975 in Key Biscayne, Florida) was an American physicist who played key roles in the development of the atomic bomb. Read more	Blobrana	0	Sep 23 23:15 2011 by Blobrana
	Pol F. Swings (1906 - 1983) (Preview) Pol F. Swings (24 September 1906, Ransart, Belgium-28 October 1983) was a Belgian astrophysicist who was known for his studies of the composition and structure of stars and comets. Read more	Blobrana	0	Sep 23 23:09 2011 by Blobrana
	Charlotte Emma Moore Sitterly (1898 - 1990) (Preview) Charlotte Emma Moore Sitterly (September 24, 1898 - March 3, 1990) was an American astronomer. She worked extensively on solar spectroscopy, analysing the spectral lines of the Sun and thereby identifying the chemical elements in the Sun. She earned a Ph.D. in astronomy in 1931 from the Universit...	Blobrana	0	Sep 23 23:08 2011 by Blobrana
	Gerolamo Cardano (1501 - 1576) (Preview) Gerolamo (or Girolamo, or Geronimo) Cardano (24 September 1501 - 21 September 1576) was an Italian Renaissance mathematician, physician, astrologer and gambler. His gambling led him to formulate elementary rules in probability, making him one of the founders of the field. Read more	Blobrana	0	Sep 23 23:07 2011 by Blobrana
	Wilbur Norman Christiansen (1913-2007) (Preview) Title: Wilbur Norman Christiansen 1913-2007 Authors: R.H. Frater, W.M. Goss W. N. ('Chris') Christiansen was an innovative and influential radio astronomy pioneer. The hallmarks of his long and distinguished career in science and engineering, spanning almost five decades, were his inventiv...	Blobrana	0	Sep 23 07:32 2011 by Blobrana
	Armand Hippolyte Louis Fizeau (1819 - 1896) (Preview) Armand Hippolyte Louis Fizeau (September 23, 1819 - September 18, 1896) was a French physicist. Read more	Blobrana	0	Sep 22 23:21 2011 by Blobrana
	Chen-Ning Franklin Yang (Preview) Chen-Ning Franklin Yang (born October 1, 1922) is a Chinese-American physicist who works on statistical mechanics and particle physics. He, together with Tsung-dao Lee, received the 1957 Nobel prize in physics for their work on parity nonconservation of weak interaction. Read more	Blobrana	0	Sep 22 07:29 2011 by Blobrana
	Eugen Sänger (1905 - 1964) (Preview) Eugen Sänger (22 September 1905 - 10 February 1964) was an Austrian-German aerospace engineer best known for his contributions to lifting body and ramjet technology. Read more	Blobrana	0	Sep 22 07:29 2011 by Blobrana
	Rudolf Ludwig Mössbauer (1929 - 2011) (Preview) Rudolf Ludwig Mössbauer (German spelling: Mößbauer; January 31, 1929 - September 14, 2011) was a German physicist best known for his 1957 discovery of recoilless nuclear resonance fluorescence for which he was awarded the 1961 Nobel Prize in Physics. This effect, called the Mössbauer effect, is...	Blobrana	0	Sep 21 13:41 2011 by Blobrana
	Heike Kamerlingh Onnes (1853 - 1926) (Preview) Heike Kamerlingh Onnes (21 September 1853 - 21 February 1926) was a Dutch physicist and Nobel laureate. He pioneered refrigeration techniques, and he explored how materials behaved when cooled to nearly absolute zero. Read more	Blobrana	0	Sep 20 23:02 2011 by Blobrana
	Jean Baptiste Joseph, chevalier Delambre (1749 - 1822) (Preview) Jean Baptiste Joseph, chevalier Delambre (19 September 1749, Amiens - 19 August 1822, Paris) was a French mathematician and astronomer. He was also director of the Paris Observatory, and author of well-known books on the history of astronomy from ancient times to the 18th century. Read more	Blobrana	0	Sep 18 23:21 2011 by Blobrana
	James Waddell Alexander II (1888 - 1971) (Preview) James Waddell Alexander II (September 19, 1888 - September 23, 1971) was a mathematician and topologist of the pre-World War II era and part of an influential Princeton topology elite, which included Oswald Veblen, Solomon Lefschetz, and others. Read more	Blobrana	0	Sep 18 23:20 2011 by Blobrana
	John Goodricke FRS (1764 - 1786) (Preview) John Goodricke FRS (17 September 1764 - 20 April 1786) was an eminent and profoundly deaf amateur astronomer. He is best known for his observations of the variable star Algol (Beta Persei) in 1782. Read more	Blobrana	0	Sep 16 23:26 2011 by Blobrana
	Bernhard Riemann (1826 - 1866) (Preview) Bernhard Riemann (September 17, 1826 - July 20, 1866) was an influential German mathematician who made lasting contributions to analysis and differential geometry, some of them enabling the later development of general relativity. Read more	Blobrana	0	Sep 16 23:12 2011 by Blobrana
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