William David Pence, American civil engineer. Awarded Octave Chanute medal, Western Society Engineers (thermal expansion of concrete), 1901. President Indiana Engineering Society, 1903-1905; member American Society of Civil Engineers, American Railway Engineering Association (editor publications, 1903-1915; director 1915-1918), Western Society Engineers, Society Promotion Engineering Education, Alpha Tau Omega, Sigma Xi, Tau Beta Pi.
Assistant and resident engineer, A.T.&San Francisco Railway, 1886-1892. Instructor, assistant professor and associate professor civil engineering, University of Illinois, 1892-1899. Professor civil engineering, Purdue University, 1899-1906.
Professor railway engineering, University of Wisconsin, 1906-1915. Editor publications American Railway Engineering Association, 1903-1915. Member United States Commission Investigation Drainage Kankakee Marsh Region, 1904-1906.
Chief engineer Wisconsin Railway Commission, and Wisconsin Tax Commission, 1906-1913. Member engineering board Interstate Commerce Commission, in charge of Central District, federal valuation of rys., May 1913-November 1921. Consulting practice.