Gerhard M. Sessler (born 15 February 1931 in Rosenfeld, Baden-Württemberg, Germany)[1] is a German inventor and scientist. He is Professor emeritus at the Department of Electrical Engineering and Information Technology of the Technische Universität Darmstadt.
Together with James E. West, he invented the foil electret microphone[2] at Bell Laboratories in 1962 and together with Dietmar Hohm the silicon microphone in 1983.[3]
Darmstadt
was invoked but never defined (see the help page).