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Carl Ludwig Christian Rümker : ウィキペディア英語版 | Carl Ludwig Christian Rümker
Carl Ludwig Christian Rümker (28 May 1788 – 21 December 1862) was a German astronomer. His name in German is spelled, Karl Ludwig Christian Rümker; he was also known as Charles Rümker, Charles Rumker, Charles Luis Rumker, Christian Carl Ludwig Rümker and Dr. Charles Stargard Rumker. ==Early life (1788-1821)== Rümker was born in Burg Stargard, in Mecklenburg, Germany, the son of J. F. Rümker, a court-councillor.〔 He showed an aptitude for mathematics and studied at the Builders' Academy, Berlin, graduating in 1807 as a master builder. Instead of a career in building, he taught mathematics in Hamburg until 1809 when he went to England. Rümker served as a midshipman in the British East India Company and then in the British merchant navy from 1811 until 1813. In July 1813 he was seized by a pressgang and joined the Royal Navy. He served in the Royal Navy as a schoolmaster until 1817 on HMS Benbow, Montague and Albion taking part in the expedition to Algiers 1816 whilst on the Albion. In 1817 he met Austrian astronomer Baron Franz-Xaver de Zach, who influenced Rümker to study astronomy.〔 Rümker was director of the school of navigation at Hamburg from 1819 until 1820.
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