Instructor in civil engineering, University of Illinois, 1895-1897. Bridge and structural engineer Gillette-Herzog Manufacturing Company, 1897-1899. Assistant professor civil engineering, University of Illinois, 1899-1903.
Contracting manager American Bridge Company, Kansas City, 1903-1904. Professor civil engineering, 1904-1919, dean College of Engineering, 1905-1919, University of Colorado, professor сivil engineering and director Department, University of Pennsylvania, September 1919-September 1922. Dean of College of Engineering and director Engineering Experiment Station, University of Illinois, September since 1922.
Assistant director United States Government explosives plants, in charge of contsrn. of smokeless powder plant at Nitro, West Virginia, February 1918-1919.
Author: Surveying Manual (with Professor W. D. Pence), 1900, 5th edit., 1931. Design of Steel Mill Buildings, and The Calculation of Stresses in Framed Structures, 1903, 4th edit., 1921. Design of Walls, Bins and Grain Elevators, 1907, 3d edit., 1918.
Design of Highway Bridges of Steel, Timber and Concrete, 1908, 2d edition., 1920. Design of Mine Structures, 1912. Structural Engineers’ Handbook, 1914, 3d edit., 1924.