Edward Kellogg & Chester Rice with cone speaker 1925

Edward Washburn Kellogg (February 20, 1883 – May 29, 1960) was an American inventor who invented the moving coil

loudspeaker A loudspeaker (commonly referred to as a speaker or speaker driver) is an electroacoustic transducer that converts an electrical audio signal into a corresponding sound. A ''speaker system'', also often simply referred to as a "speaker" or " ...

in 1925 along with

Chester W. Rice Chester Williams Rice (December 16, 1888 – March 8, 1951) was an American electrical engineer who was the joint inventor in 1925 of the moving coil loudspeaker along with Edward W. Kellogg. Career Rice was born in Lynn, Massachusetts in 18 ...

General Electric General Electric Company (GE) is an American multinational conglomerate founded in 1892, and incorporated in New York state and headquartered in Boston. The company operated in sectors including healthcare, aviation, power, renewable energ ...

Biography

He was born in

Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered on ...

in 1883. He was a graduate of

Phillips Academy ("Not for Self") la, Finis Origine Pendet ("The End Depends Upon the Beginning") Youth From Every Quarter Knowledge and Goodness , address = 180 Main Street , city = Andover , state = Ma ...

, in Andover (Class of 1902) He was the joint inventor of the moving coil

in 1925 along with

, and independently by Edward Wente at

Bell Labs Nokia Bell Labs, originally named Bell Telephone Laboratories (1925–1984), then AT&T Bell Laboratories (1984–1996) and Bell Labs Innovations (1996–2007), is an American industrial research and scientific development company owned by mult ...

. Kellogg also patented an electrostatic loudspeaker in 1934. Kellogg was the first director of the GE Advanced Technology Laboratory in

Schenectady, New York Schenectady () is a city in Schenectady County, New York, United States, of which it is the county seat. As of the 2020 census, the city's population of 67,047 made it the state's ninth-largest city by population. The city is in eastern New Y ...

, which later became a part of

RCA Victor RCA Records is an American record label currently owned by Sony Music Entertainment, a subsidiary of Sony Corporation of America. It is one of Sony Music's four flagship labels, alongside RCA's former long-time rival Columbia Records; also Aris ...

Camden, New Jersey Camden is a city in and the county seat of Camden County, in the U.S. state of New Jersey. Camden is part of the Delaware Valley metropolitan area and is located directly across the Delaware River from Philadelphia, Pennsylvania. At the 2020 ...

(and is now part of

Lockheed Martin The Lockheed Martin Corporation is an American aerospace, arms, defense, information security, and technology corporation with worldwide interests. It was formed by the merger of Lockheed Corporation with Martin Marietta in March 1995. It ...

). 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) {{US-inventor-stub