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Alfred H. Thiessen (April 8, 1872 – June 7, 1956) was an American meteorologist after whom Thiessen polygons are named. Alfred H. Thiessen was born in Troy, New York. He earned a bachelor of science degree from Cornell University in 1898. His service in the Weather Bureau began at Pittsburgh as observer on July 1, 1898. He subsequently was assigned to Helena, Washington, Point Reyes and Manteo as assistant, and to Mount Weather, Raleigh, Indianapolis, Salt Lake City, Portland, Baltimore, and Denver as official in charge. He resigned from the Weather Bureau on December 11, 1920, to accept a commission as Captain in the Regular Army. He left active service, as a major, and was reappointed at the Central Office of the Weather Bureau on March 17, 1941. He retired on April 30, 1942.

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  • Alfred H. Thiessen (April 8, 1872 – June 7, 1956) was an American meteorologist after whom Thiessen polygons are named. Alfred H. Thiessen was born in Troy, New York. He earned a bachelor of science degree from Cornell University in 1898. His service in the Weather Bureau began at Pittsburgh as observer on July 1, 1898. He subsequently was assigned to Helena, Washington, Point Reyes and Manteo as assistant, and to Mount Weather, Raleigh, Indianapolis, Salt Lake City, Portland, Baltimore, and Denver as official in charge. He resigned from the Weather Bureau on December 11, 1920, to accept a commission as Captain in the Regular Army. He left active service, as a major, and was reappointed at the Central Office of the Weather Bureau on March 17, 1941. He retired on April 30, 1942. His best known work (1911) dealt with the description of weather prediction with a geometric method for dividing land areas, that although known from Dirichlet Tessellation (1850) and the Voronoi Diagram (1908), apparently had never been used in meteorology for interpolation of measurements. The synonyms Thiessen polygons or Thiessen method have become established for this application. Thiessen polygons have also been used to estimate the areas of influence of Mayan city-states. (en)
  • Alfred Henry Thiessen (* 8. April 1872 in Troy, NY; † 1956) war ein US-amerikanischer Meteorologe. (de)
  • Alfred H. Thiessen (8 de abril de 1872-7 de junio de 1956) fue un meteorólogo estadounidense que da nombre a los polígonos de Thiessen. Alfred H. Thiessen nació en Troy, Nueva York. Obtuvo un grado de la Universidad Cornell en 1898 y trabajó en el Servicio Meteorológico Nacional (hoy NOAA - Administración Oceánica y Atmosférica Nacional). Empezó en Pittsburgh como observador el 1 de julio de 1898. Posteriormente fue asignado como ayudante en Helena, Washington, Punta Reyes y Manteo y posteriormente ya como oficial al cargo en Mount Weather, Raleigh (1907), Indianapolis, Salt Lake City (1910), Portland, Baltimore (1920) y Denver. Dimitió de la agencia el 11 de diciembre de 1920 para aceptar una comisión como capitán en el ejército. Dejó el servicio activo como mayor y fue readmitido en la Oficina Central del Servicio Meteorológico el 17 de marzo de 1941. Se jubiló el 30 de abril de 1942. Su trabajo más famoso (1911) trató la predicción del tiempo atmosférico con un método geométrico para dividir un territorio en áreas, usando una técnica previamente conocido como teselación de Dirichlet (1850) o diagramas de Voronoi (1908), pero que nunca había sido utilizado en meteorología para la interpolación de medidas. Por ello también se conoce al método como polígonos de Thiessen. (es)
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  • Alfred H. Thiessen (en)
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  • Alfred Henry Thiessen (* 8. April 1872 in Troy, NY; † 1956) war ein US-amerikanischer Meteorologe. (de)
  • Alfred H. Thiessen (April 8, 1872 – June 7, 1956) was an American meteorologist after whom Thiessen polygons are named. Alfred H. Thiessen was born in Troy, New York. He earned a bachelor of science degree from Cornell University in 1898. His service in the Weather Bureau began at Pittsburgh as observer on July 1, 1898. He subsequently was assigned to Helena, Washington, Point Reyes and Manteo as assistant, and to Mount Weather, Raleigh, Indianapolis, Salt Lake City, Portland, Baltimore, and Denver as official in charge. He resigned from the Weather Bureau on December 11, 1920, to accept a commission as Captain in the Regular Army. He left active service, as a major, and was reappointed at the Central Office of the Weather Bureau on March 17, 1941. He retired on April 30, 1942. (en)
  • Alfred H. Thiessen (8 de abril de 1872-7 de junio de 1956) fue un meteorólogo estadounidense que da nombre a los polígonos de Thiessen. Alfred H. Thiessen nació en Troy, Nueva York. Obtuvo un grado de la Universidad Cornell en 1898 y trabajó en el Servicio Meteorológico Nacional (hoy NOAA - Administración Oceánica y Atmosférica Nacional). Empezó en Pittsburgh como observador el 1 de julio de 1898. Posteriormente fue asignado como ayudante en Helena, Washington, Punta Reyes y Manteo y posteriormente ya como oficial al cargo en Mount Weather, Raleigh (1907), Indianapolis, Salt Lake City (1910), Portland, Baltimore (1920) y Denver. Dimitió de la agencia el 11 de diciembre de 1920 para aceptar una comisión como capitán en el ejército. Dejó el servicio activo como mayor y fue readmitido en la O (es)
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  • Alfred H. Thiessen (en)
  • Alfred H. Thiessen (de)
  • Alfred H. Thiessen (es)
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  • Alfred H. Thiessen (en)
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