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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Lawrence R. Hafstad ： ウィキペディア英語版 Lawrence R. Hafstad Dr. Lawrence R. Hafstad (1904–1993) was an American electrical engineer and physicist notable for his pioneering work on nuclear reactors. In 1939, he created the first nuclear fission reaction in the United States. 〔(New York Times:Lawrence R. Hafstad Dies at 89; Helped to Develop Nuclear Power;By Wolfgand Saxon;October 22, 1993 )〕 〔(Memorial Tributes: National Academy of Engineering, Volume 7 (1994);Lawrence R. Hafstad;by John D. Caplan; )〕 〔(Harry S Truman Museum;Lawrence R. Hafstad Papers;dates: 1939-1975 )〕 ==Biography== Lawrence Randolph Hafstad was born in Minneapolis, Minnesota. He was the son of two Norwegian immigrants. He attended the University of Minnesota, graduating in electrical engineering. He had began working with the Carnegie Institution for Science from 1928. In 1931, he earned the American Association for the Advancement of Science Prize for his research with Merle A. Tuve and Odd Dahl. He was awarded his Ph. D in Physics at Johns Hopkins University in 1933. Between 1935 to 1947, he was a frequent participant at the Washington Conferences on Theoretical Physics sponsored by George Washington University and Carnegie Institute of Washington. In 1942, he became assistant director of the Johns Hopkins University Applied Physics Laboratory. In 1955, he became a vice president at the General Motors Corporation and was chief of its research laboratories.〔 In 1968, Hafstad was elected to the National Academy of Engineering.〔 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「Lawrence R. Hafstad」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.