John J. Carty Scientist
John Joseph Carty (April 14, 1861 – December 27, 1932) was an American electrical engineer and a major contributor to the development of telephone wires and related technology. He was a recipient of the Edison Medal. As Chief Engineer of AT&T, he was instrumental in the development of the first transcontinental telephone line. Carty was president of the American Institute of Electrical Engineers from 1915 to 1916.