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Carl Georg Lange Barth (February 28, 1860 – October 28, 1939) was a Norwegian-American mathematician and mechanical engineer who improved and popularized the industrial use of compound slide rules in scientific management. 〔US Patent 753,840, 1904〕 == Biography == Carl Georg Barth was born in Christiania, Norway. He was the fourth child of Jakob Boeckman Barth (1822-1892), a lawyer and Adelaide Magdeline Lange Barth (1828- 1897), daughter of a Danish clergyman. He received his early education in the public schools at Lillehammer. He was a graduate from University at Christiania. He later attended the Royal Norwegian Navy technical school at Horten. In 1877, Barth started an apprenticeship in the navy yard at Karljohansvern in Horten.〔''Carl G. Barth, 1860–1939: A Sketch'' (Florence M. Manning. Norwegian-American Historical Association. Volume XIII: Page 114 ()〕 In 1899, efficiency expert Frederick W. Taylor hired Barth to work with him at Bethlehem Steel Company. Carl Barth helped to develop speed-and-feed-calculating slide rules. In 1902, Taylor and Barth went to work for William Sellers at the machine tool firm of William Sellers & Company of Philadelphia. An account of their application of slide rules was published in the ''Transactions of the American Society of Mechanical Engineers'' in 1904.〔''Frederick Winslow Taylor, Class of 1883'' (Stevens Institute of Technology) ()〕〔''An Interpretive Review of 20th US Machining and Grinding Research'' (M. Eugene Merchant. Cincinnati, Ohio: Techsolve, Inc. 2003)()〕 Barth started in 1905 on his independent career as consulting engineer. Barth became an early consultant on scientific management and later taught at Harvard University. Barth edited articles submitted to International Correspondence School of Scranton, Pennsylvania publication, the ''Home Study Magazine''. In 1909, he undertook the installation of scientific management in the Watertown Arsenal at Watertown, Massachusetts.〔''Taylorism at the Watertown Arsenal'' (Foundations and Trends in Technology) ()〕 In March 1882, Barth was married to Henrike Jakobine Fredriksen. They were the parents of three children. Barth was a leftist and anticapitalist. 〔Drucker, P. F. (1993). The Rise of the Knowledge Society. The Wilson Quarterly (1976-), 17(2), 52–71. doi:10.2307/40258682〕 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「Carl Georg Barth」の詳細全文を読む スポンサード リンク
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