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Nokia Bell Labs is an American research and scientific development company, owned by Finnish company Nokia. Its headquarters are located in Murray Hill, New Jersey, in addition to other laboratories around the rest of the United States and in other countries.

Nokia Bell Labs
Subsidiary of Nokia
Industry Telecommunication, Information technology, Material science
Founded 1925; 91 years ago (1925) (as Bell Telephone Laboratories, Inc.)
Headquarters Murray Hill, New Jersey, U.S.
Key people
Marcus Weldon
Parent AT&T (1925–1996)
Western Electric (1925–1983)
Lucent (1996–2006)
Alcatel-Lucent (2006–2016)
Nokia (2016–present)
Website www.bell-labs.com

Nokia Bell Labs (formerly named AT&T Bell Laboratories, Bell Telephone Laboratories and Bell Labs) is an American research and scientific development company, owned by Finnish company Nokia. Its headquarters are located in Murray Hill, New Jersey, in addition to other laboratories around the rest of the United States and in other countries.

The historic laboratory originated in the late 19th century as the Volta Laboratory and Bureau created by Alexander Graham Bell. Bell Labs was also at one time a division of the American Telephone & Telegraph Company (AT&T Corporation), half-owned through its Western Electric manufacturing subsidiary.

Researchers working at Bell Labs are credited with the development of radio astronomy, the transistor, the laser, the charge-coupled device (CCD), information theory, the operating systems Unix, Plan 9, Inferno, and the programming languages C, C++, and S. Eight Nobel Prizes have been awarded for work completed at Bell Laboratories.