| Daniel Mccallum |
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| CATEGORIES ABOUT DANIEL MCCALLUM | |
| american railroad executives of the 19th century | |
| american business theorists | |
| 1815 births | |
| 1878 deaths | |
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McCallum was born in Scotland in 1815. His family emigrated to New York when he was a boy. He became the General Superintendent of the New York & Erie Railway in 1855 , then founded the McCallum Bridge Company in 1858 . He was an early proponent of the organizational chart as a way to manage business operations. In February 1862, Edwin M. Stanton , the Secretary Of War , appointed McCallum Military Director and Superintendent of the Union railroads. McCallum's successful organization and management of the railroads earned him a promotion to Major-General. McCallum developed the McCallum inflexible arched truss, used in wooden railroad bridges across the US and Canada in the 19th Century. The advent of steel bridges effectively obsoleted his unique design. The only remaining example in the world of the McCallum truss is the Percy Covered Bridge (1861) {Link without Title} , ironically an automobile and foot bridge. It crosses the Chateauguay River at Powerscourt, Québec, between the municipalities of Elgin and Hinchinbrooke . For an article detailing his new management style see {Link without Title} . |
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