Edward Washburn Kellogg (February 20, 1883 – May 29, 1960) was an American inventor who invented the moving coil loudspeaker in 1925 along with Chester W. Rice at General Electric Biography He was born in Washington in 1883. He was a graduate of Phillips Academy, in Andover (Class of 1902) 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). He died in 1960. References External links Rice-Kellogg loudspeaker design "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 American acoustical engineers 1883 births 1960 deaths 20th-century American inventors People from Washington (state)