George Robert Stibitz (April 30, 1904^[1] – January 31, 1995) is internationally recognized as one of the fathers of the modern first digital computer. He was a Bell Labs researcher known for his work in the 1930s and 1940s on the realization of Boolean logic digital circuits using electromechanical relays as the switching element.
https://en.m.wikipedia.org/wiki/George_Stibitz