Erlanger Family
Erlanger may refer to: * Erlanger (surname), a German surname * Erlanger, Kentucky, a city in the United States * Erlanger (crater), a lunar impact crater See also * Erlanger program, a mathematical research program proposed by Felix Klein in 1872 * Klaw & Erlanger, a New York City based theatrical production partnership * Erlanger Health System The Erlanger Health System (often referred to as Erlanger Hospital or Erlanger), incorporated as the ''Chattanooga-Hamilton County Hospital Authority'', a non-profit, public benefit corporation registered in the State of Tennessee, is a system of ...

Erlanger (surname)
Erlanger is a German-Jewish surname derived from the city of Erlangen. Notable people with the surname include: * A. L. Erlanger (1859–1930), American theatrical producer and director * Camille Erlanger (1863–1919), French composer * Jeff Erlanger (1970–2007), American activist * Joseph Erlanger (1874–1965), American physiologist * Steven Erlanger (born c. 1952), American journalist and members of the German-French-English banking dynasty (Barons d'Erlanger, ''see: Erlanger family tree''), including: * Frédéric Émile d'Erlanger (1832–1911), German financier ** Emile Beaumont Baron d’Erlanger (1866–1939), banker, musician ⚭ Catherine, Baroness d'Erlanger, née Catherine Robert d'Aqueria de Rochegude *** Gérard John Leo Regis Baron d’Erlanger (1905–1962), partner of ''Erlanger Ltd.'' and ''Myers & Co'' ** Frédéric Alfred Baron d’Erlanger (Freddy, 1868–1943), banker and composer ** Francois Rodolphe Baron d’Erlanger (1872–1932), French painter ...
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Erlanger, Kentucky
Erlanger is a List of cities in Kentucky, home rule-class city in Kenton County, Kentucky, Kenton County, Kentucky, United States. It had a 2010 United States Census, 2010 census population of 18,368. Erlanger is part of the Cincinnati metropolitan area, Cincinnati-Middletown, OH-KY-IN Metropolitan Statistical Area. History Erlanger was founded in the 1880s. The city was named after the Parisian family bank Emile Erlanger & Co. and its founder, Baron Frédéric Émile d'Erlanger, who helped finance the town's early development. In current usage, the name is pronounced in an anglicized way, with neither a French nor German accent. Nearby Elsmere, Kentucky, Elsmere was originally known as "South Erlanger". Geography Erlanger is located at (39.013511, -84.594042). According to the United States Census Bureau, the city has a total area of , of which is land and (1.19%) is water. Demographics As of the 2000 United States Census, 2000 census, there were 16,676 people, 6,597 househo ...
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Erlanger (crater)
Erlanger is a very deep lunar impact crater that lies near the north pole of the Moon. Due to its position near the lunar north pole (and given that the Moon's axis is only tilted about 1.5°), sunlight only rarely falls on the bottom, and the 2008 Chandrayaan-1 probe hoped to find that ice from comet impacts had accumulated there. Erlanger is one of the Moon's permanently shadowed craters. The crater was named by the International Astronometrical Union on January 22, 2009, after the American physiologist and 1944 Nobel Prize The Nobel Prizes ( ; sv, Nobelpriset ; no, Nobelprisen ) are five separate prizes that, according to Alfred Nobel's will of 1895, are awarded to "those who, during the preceding year, have conferred the greatest benefit to humankind." Alfr ... winner Joseph Erlanger. References * * * * * * * * * * * External links Article about Erlanger by Dr. Phil Plait USGS Gazetteer of Planetary Nomenclature entry for Erlanger {{Craters on the ...
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Erlanger Program
In mathematics, the Erlangen program is a method of characterizing geometries based on group theory and projective geometry. It was published by Felix Klein in 1872 as ''Vergleichende Betrachtungen über neuere geometrische Forschungen.'' It is named after the University Erlangen-Nürnberg, where Klein worked. By 1872, non-Euclidean geometries had emerged, but without a way to determine their hierarchy and relationships. Klein's method was fundamentally innovative in three ways: :* Projective geometry was emphasized as the unifying frame for all other geometries considered by him. In particular, Euclidean geometry was more restrictive than affine geometry, which in turn is more restrictive than projective geometry. :* Klein proposed that group theory, a branch of mathematics that uses algebraic methods to abstract the idea of symmetry, was the most useful way of organizing geometrical knowledge; at the time it had already been introduced into the theory of equations in the form ...
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Klaw & Erlanger
Klaw and Erlanger was an entertainment management and production partnership of Marc Klaw and Abraham Lincoln Erlanger based in New York City from 1888 through 1919. While running their own considerable and multi-faceted theatrical businesses on Broadway, they were key figures in the Theatrical Syndicate, the lucrative booking monopoly for first-class legitimate theaters nationwide. Klaw and Erlanger joined in partnership in 1888. Starting from the purchase of an existing booking agency, the partners gradually gained control of the southern territory, anchored in New Orleans. They ran allied businesses, produced Broadway shows, and owned a number of theaters. They were part owners of the new Iroquois Theater in Chicago, which suffered a catastrophic fire in 1903 that resulted in more than 600 deaths and brought Klaw & Erlanger bitter criticism. In the same year they opened their flagship New Amsterdam Theater in New York, where the Aerial Gardens became the longtime stage for ...
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