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George Holt Henshaw (September 1, 1831 – January 10, 1891) was a Canadian engineer and draftsman, who worked as engineer in waterworks and for railway company's in Canada, the United States and Denmark. He is particularly known for drafting the first organizational chart designed by Daniel McCallum.〔Albert J. Churella (2012) ''The Pennsylvania Railroad, Volume 1: Building an Empire, 1846-1917''. p. 842S〕〔Caitlin Rosenthal (2012) "(Big data in the age of the telegraph )" in McKinsey Quarterly, March 2013.〕 == Biography == George Holt Henshaw was born in Montreal, September 1, 1831.〔"(George Holt Henshaw obituary )" in: ''Transactions of the Canadian Society of Civil Engineers'' Vol. 5-6. (1891) p. 365-366. Canadian Society of Civil Engineers.〕 At a very early age he demonstrated a strong desire to acquire knowledge of mathematics and drawing. As pupil of the Rector of the Montreal High School, the Reverend Simpson, he attracted much attention, and while pursuing his studies at the school, was advised by the Rector to engage the services of Andrews, professor of Mathematics at Cambridge, who had recently come to this country to settle. Under the tuition of Andrews he made such rapid progress that he was invited Alfred Barrett, chief engineer of the Board of Works of Canada, to enter the Government service. His first work was on the improvements and enlargement of the locks of the Lachine Canal in 1847.〔 In 1849, Henshaw was offered the post of assistant engineer on the construction of the James River and Kanawha Canal, Virginia, and in charge of the divisional drawing offices.〔 From 1852 to 1854 inclusive, he was engaged on the Chicago Water Works and various Railway Surveys in Illinois and Michigan. From 1854 to 1856 on the New York and Erie Railway, and from 1857 to 1859 was resident Engineer on the Trois Pistoles section of the Grand Trunk Railway.〔 Tn 1860, he was appointed by Tho. Brasse, as Engineer in charge of the Western Division of the Danish Railways. After seven years service in Denmark he returned to Montreal, and from 1869 to 1872 was resident engineer on sections 4 and 11 of the Intercolonial railway.〔 During 1872-73 he was engineer in charge of survey between Three Rivers and Montreal on North Shore railway.〔 Henshaw's last service in Canada was as resident engineer of the Canadian Government at St. Anns, P. Q., from 1873 to 1838 when on the final completion of Canal and Locks at that place be removed to the United States and for the last two years has resided in Brooklyn and New York, being engaged in the development of a project for the protection of beach fronts of the Manhattan and Brighton Beaches from the action of the sea.〔 Henshaw died of heart failure, at his home at Brooklyn,〔Edward J. Mehren, Henry Coddington Meyer, Charles Frederick Wingate (1891) ''Engineering record, building record and sanitary engineer''. p. 104〕 New York January 10, 1891, age 59 years 8 months. He was elected a member of this Society of Civil Engineers of Canada on the 20th January, 1887.〔 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 Holt Henshaw」の詳細全文を読む スポンサード リンク
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