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Early Bell
Bell Labs
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Telegraph
Switching
Claude Shannon
Father of information theory
John R. Pierce
Pulse code modulation co-developer
William Shockley
Transistor co-inventor
John Bardeen
Transistor co-inventor
Walter Brattain
Transistor co-inventor
Max Mathews
Bell Labs computer music pioneer
Ken Thompson
Unix co-creator
Brian Kernighan
Unix and C co-developer
Dennis Ritchie
UNIX co-creator
Manfred R. Schroeder
Speech coding innovator
Bishnu S. Atal
Speech coding innovator
Erna Schneider Hoover
Computerized telephone switching innovator
Amos E. Joel Jr.
Electronic switching and cellular innovator
Marian Croak
Voice over IP inventor
Robert Kahn
TCP/IP co-developer, 'father of the Internet'
Bjarne Stroustrup
C++ developer
Steve Jobs
Early phone phreak and iPhone inventor
Dawon Kahng
MOSFET co-inventor
Raymond W. Ketchledge
Telephone switching innovator
Ruth A. Weiss
Programming language innovator
Steve Wozniak
Early phone phreak
Esther M. Conwell
Semiconductor innovator
Jessie MacWilliams
Coding theory innovator
Laurie Spiegel
Electronic music innovator
George Stibitz
Relay-based computer circuitry pioneer
John Tukey
Data analysis pioneer and FFT developer
Mohamed M. Atalla
MOSFET co-inventor
Vint Cerf
TCP/IP co-developer, 'father of the Internet'
Yann LeCun
Machine learning pioneer
Bernard M. Oliver
Pulse code modulation co-developer
Maurice Karnaugh
Developed pulse code modulation at Bell Labs
Simon Sze
Floating-gate memory co-inventor
Dennis Hayes
Modem inventor
Robert Metcalfe
Ethernet Co-inventor
Alec Reeves
Pulse code modulation co-developer
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