Herman Haupt

Herman Haupt was an American civil engineer, railway engineer, and railroad executive. He worked for several railroad companies including as general superintendent of the Pennsylvania Railroad from 1849 to 1851 and superintendent of the New York and Erie Railroad in 1854. He was a professor of mathematics and engineering at Pennsylvania College and patented the Haupt Truss used in bridge construction. He worked with John Edgar Thomson on the Horseshoe Curve and Gallitzin Tunnels in the Allegheny Mountains and as chief engineer during construction of the Hoosac Tunnel in Western Massachusetts.