Elisha Gray was an American electrical engineer who co-founded the Western Electric Manufacturing Company. Gray is best known for his development of a telephone prototype in 1876 in Highland Park, Ill
An early photo of employees of Gray and Barton. Elisha Gray is in the front row, holding his automatic telegraph printer
Elisha Gray's drawing of liquid transmitter made on February 11, 1876
The master telephone patent awarded to Bell, No. 174465, March 7, 1876
Enos Melancthon Barton was an American electrical engineer who, with Elisha Gray, co-founded Western Electric Manufacturing Company.
Barton's grave at Rosehill Cemetery