Text
Western Electric Company,. n.d. “Western Electric News”.
Text
American Telephone and Telegraph Company,. 1935. “The Bell System Technical Journal, Vol. 14”.
Text
American Telephone and Telegraph Company,. 1932. “The Bell System Technical Journal, Vol. 11”.
Text
American Telephone and Telegraph Company,. 1934. “The Bell System Technical Journal, Vol. 13”.
Text
n.d. “Sound Waves. International Telephone Journal”. William Graffis.
Person

A scientist, inventor, engineer, and innovator who is credited with patenting the first practical telephone.

 

Picture: CC0 | Wikimedia

1847
1922
Person

Georg von Békésy was a Hungarian-American biophysicist who worked on physiology of hearing.

After studying chemistry in Bern, in 1923 Békésy was awarded a PhD in physics at the University of Budapest. He entered the service of the Hungarian Post Office, where he worked at the research laboratory on problems of long-distance telephone transmission.

1899
1972