Edward W. Kellogg
He was the joint inventor of the moving coil loudspeaker in 1925 along with Chester W. Rice at General Electric, and independently by Edward Wente at Bell Labs. Kellogg also patented an electrostatic loudspeaker in 1934.
Kellogg was the first director of the GE Advanced Technology Laboratory in Schenectady, New York, which later became a part of RCA Victor in Camden, New Jersey (and is now part of Lockheed Martin). Kellogg was also the first head of their Photophone development group.
He died in 1960.
- "Biographies". www.coutant.org. Retrieved August 11, 2019.
- Rice-Kellogg loudspeaker design
- U.S. Patent 1,983,377 "Production of Sound" (improved electrostatic design), filed September 1929, issued December 1934
- Edward W. Kellogg (1955), "History of Sound Motion Pictures", Journal of the SMPTE