Arthur C. Keller (August 18, 1901 – August 25, 1983) was a pioneer of high-fidelity and stereophonic recording techniques. He attended Cooper Union,

Yale University Yale University is a Private university, private research university in New Haven, Connecticut. Established in 1701 as the Collegiate School, it is the List of Colonial Colleges, third-oldest institution of higher education in the United Sta ...

and

Columbia University Columbia University (also known as Columbia, and officially as Columbia University in the City of New York) is a private research university in New York City. Established in 1754 as King's College on the grounds of Trinity Church in Manhatt ...

. He joined the engineering department of Western Electric in 1917, and became an employee of

Bell Laboratories 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 ...

in 1925. Keller's invention of a "moving-coil" playback stylus made possible the first hi-fi records. In 1931-32 Keller made the first known stereophonic and high-fidelity recordings of orchestral music. On April 19, 1938 Keller was issue
US patent number 2,114,471
for his idea of recording the two channels of a stereo recording in one record groove each at 45 degrees from vertical. Keller led the design team at

which developed the first modern wire wrap tools. Keller was awarded the Gold Medal from the Audio Engineering Society in 1981 for outstanding developments in stereophonic disk recording. He was a

Fellow A fellow is a concept whose exact meaning depends on context. In learned or professional societies, it refers to a privileged member who is specially elected in recognition of their work and achievements. Within the context of higher education ...

of the

Acoustical Society of America The Acoustical Society of America (ASA) is an international scientific society founded in 1929 dedicated to generating, disseminating and promoting the knowledge of acoustics and its practical applications. The Society is primarily a voluntary org ...

and the Institute of Electrical and Electronics Engineers, and a member of the American Physical Society and the Yale Engineering Association. In August 1928, Keller married Margaret D. McHale (1906?–1989?). Their daughter Margaret Gwendolyn Keller was born in 1936. He died on August 25, 1983, in Bronxville, New York; he was eighty-two. Upon his death he was survived by his widow, his daughter, and two granddaughters.

References

{{DEFAULTSORT:Keller, Arthur C. Fellow Members of the IEEE Yale School of Engineering & Applied Science alumni Columbia University alumni Scientists at Bell Labs 1983 deaths 1901 births Cooper Union alumni