Callan, John Gurney, 1875-1940.

John Gurney Callan began his professional career working for the Edison Illuminating Company, 1896-1897, and joined General Electric in Lynn, Massachusetts in 1897, where he was in charge of the Lynn steam turbines. In 1909, he joined Arthur D. Little as a mechanical and electrical engineer where he helped organize the Research Department of General Motors. In 1915, Callan was appointed Professor of Steam and Gas Engineering at the University of Wisconsin; and in 1919 he became the first faculty member appointed to the Harvard Business School by Dean Wallace Brett Donham where he taught until 1940.

From the description of John G. Callan papers, 1873-1949. (Harvard Business School). WorldCat record id: 64385793