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William Cooper Davidon (March 8, 1927 – November 8, 2013) was an American professor of physics and mathematics, and peace activist. He was the mastermind of the March 8, 1971 FBI office breakin, in Media, Pennsylvania, and the informal leader of the Citizens' Commission to Investigate the FBI which led to the disclosure of COINTELPRO, which in turn led to subsequent investigations and reforms of the FBI.〔http://www.pbs.org/independentlens/1971/characters.html〕 ==Life== Davidon was born in Fort Lauderdale, Florida in 1927. He attended Purdue University, and graduated from the University of Chicago with a Ph.D. in 1957. From 1954 to 1956, he was a research associate at the Enrico Fermi Institute. From 1956 to 1961, he was an associate physicist at the Argonne National Laboratory, where he developed the first quasi-Newton algorithm〔Jorge Nocedal and Stephen J. Wright (2006).(Numerical Optimization ). Springer. ISBN. 0-387-30303-0〕 and now known as the Davidon–Fletcher–Powell formula. He was professor of physics at Haverford College, beginning in 1961, and then Professor of Mathematics, as his interests shifted to include mathematical logic, set theory and non-standard analysis. He retired in 1991. He was a 1966 Fulbright Scholar. Davidon moved to Highlands Ranch, Colorado, in 2010. He died November 8, 2013, of Parkinson's disease. 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「William C. Davidon」の詳細全文を読む スポンサード リンク
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