William Dunlap Sargent ( -1911)
1911 Obituary 
WILLIAM DUNLAP SARGENT was a native of Philadelphia, and served in the American Civil War under General Burnside.
Subsequently he was with the Western Union Telegraph Company at Harrisburg and Chicago, and with the American District Telegraph at Philadelphia, where he installed the system.
In 1876 he became general superintendent of the Bell Telephone Company, of Philadelphia, and was afterwards manager and vice-president of the New York and New Jersey Telephone Company, and director of the New York Telephone Company. He was joint designer of the lead-covered type of telephone cable now in general use.
He was elected a Foreign Member of the Institution in 1873, and was transferred to the class of Members in 1911.
His death occurred on August 24, 1911.