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George Willis Ritchey (December 31, 1864 – November 4, 1945) was an American optician and telescope maker and astronomer born at Tuppers Plains, Ohio. Ritchey was educated as a furniture maker. He coinvented the Ritchey-Chrétien(R-C) reflector telescope along with Henri Chrétien. The R-C prescription remains the predominant optical design used by most all major astronomical observatories and space telescopes. He played a major role in designing the mountings and making the mirrors of the and telescopes at Mount Wilson Observatory. He worked closely with George Ellery Hale. The last reflector telescope produced by Ritchey remains in operation at the U.S. Naval Observatory Flagstaff Station in Flagstaff, Arizona. Craters on Mars and the Moon were named in his honor. A very readable biography of Ritchey and Hale is in Don Osterbrock's book "Pauper and Prince - Ritchey, Hale and the Big American Telescopes" (The university of Arizona Press, 1993) where the idiosyncratic personality of both Ritchey and Hale is exposed. ==See also== *List of astronomical instrument makers 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「George Willis Ritchey」の詳細全文を読む スポンサード リンク
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