Person

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

 

Picture: CC0 | Wikimedia

1847
1922
Contributor essay
by
Roland Wittje (Indian Institute of Technology Madras)
The singing and speaking arc emerged as a scientific object with the transformation of acoustics into electroacoustics around the turn of the nineteenth to the twentieth century. Roland Wittje discusses the reenactment of a series of experiments with the singing and speaking arc, carried out with Paolo Brenni and Anna Giatti at the Fondazione Scienza e Tecnica in Florence.
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