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Matches in DBpedia 2014 for { <http://dbpedia.org/resource/Marcel_Minnaert> ?p ?o. }

• Marcel_Minnaert abstract "Marcel Gilles Jozef Minnaert (12 February 1893 – 26 October 1970) was a Dutch astronomer of Belgian origin. He was born in Bruges and died in Utrecht.He obtained a PhD in biology at Ghent University in 1914. Later he obtained also a PhD in physics from Utrecht University, under the supervision of Leonard Ornstein.He was a supporter of the Flemish movement during World War I and endorsed the replacement of French by Dutch during the German occupation of Belgium. Because of this, he was forced to flee Belgium after the end of the war.In 1918, he found a position at Utrecht University in the Netherlands, initially to do photometric research. In Utrecht, he became interested in astronomy, and he became a pioneer of solar research. He specialized in spectroscopy and the study of stellar atmospheres.Minnaert was also interested in bubbles and musical nature of the sounds made by running water. In 1933 he published a solution for the acoustic resonance frequency of a single bubble in water, the so-called Minnaert resonance.In 1937, he was appointed director of the stellar observatory Sonnenborgh in Utrecht and full professor in astronomy at the university. In 1940, he published his famous Utrecht Atlas of the solar spectrum. In 1941, he invented the Minnaert function, which is used in optical measurements of celestial bodies.During the German occupation of the Netherlands in World War II, he was imprisoned by the Germans because of his left-wing, anti-fascist sympathies. During his incarceration, he taught physics and astronomy to his fellow prisoners. After the War, he was one of the founders of the Mathematisch Centrum in Amsterdam.One of his interests was the effects of the atmosphere on light and images. His classic book on this subject was released in English translation as:The Nature of Light and Color in the Open Air, Dover, 1954, ISBN 0-486-20196-1and in a new translation with color photographs as:Light and Color in the Outdoors, Springer, 1993, ISBN 0-387-97935-2, ISBN 3-540-97935-2, ISBN 0-387-94413-3 (originally published in Dutch in 1937 as De natuurkunde van 't vrije veld. Licht en kleur in het landschap.)".
• Marcel_Minnaert birthDate "1893-02-12".
• Marcel_Minnaert birthYear "1893".
• Marcel_Minnaert deathDate "1970-10-26".
• Marcel_Minnaert deathYear "1970".
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• Marcel_Minnaert dateOfBirth "1893-02-12".
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• Marcel_Minnaert comment "Marcel Gilles Jozef Minnaert (12 February 1893 – 26 October 1970) was a Dutch astronomer of Belgian origin. He was born in Bruges and died in Utrecht.He obtained a PhD in biology at Ghent University in 1914. Later he obtained also a PhD in physics from Utrecht University, under the supervision of Leonard Ornstein.He was a supporter of the Flemish movement during World War I and endorsed the replacement of French by Dutch during the German occupation of Belgium.".
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