From The Free On-line Dictionary of Computing (30 December 2018) :
Bell Laboratories AT&T Bell Labs Bell Labs One of AT&T's research sites, in Murray Hill, New Jersey, USA. It was the birthplace of the transistor, Unix, C and C++ and the current home of research on Plan 9 and ODE. http://research.att.com/)">AT&T Research (http://research.att.com/). ftp://ftp.research.att.com/)">(ftp://ftp.research.att.com/). netlib sources ftp://netlib.att.com)">(ftp://netlib.att.com). (1994-11-17)