Jan Aleksander Rajchman

Conceiver of the first read-only memory and developer of the selectively addressable storage tube, Rajchman was an American electrical engineer and computer pioneer. Although he was born in London, he received the...

Francine Berman

A pioneer in grid computing, Berman is one of the two founding Principal Investigators of the National Science Foundation's TeraGrid project. She also directed the National Partnership for Advanced Computational Infrastructure (NPACI),...

Cyril Cleverdon

Best known for his work on the evaluation of information retrieval systems, Cleverdon was a British librarian and computer scientist born in Bristol, England. He worked at the Bristol Libraries from 1932...

Phaedon Avouris

Innovator of the potential for carbon nanotubes to compete with the long-established silicon transistor for important information technology applications, Avouris is a Greek chemical physicist who has served as an IBM Fellow...

Burton (Burt) Grad

Founder of the Software History Center, Grad has been working on computer software since 1954, when he wrote the first production and inventory control programs for the General Electric Company's installation of...

Michael Leonidas Dertouzos

Instrumental in defining the World Wide Web Consortium and bringing it to MIT, Dertouzos served as a Professor at the Massachusetts Institute of Technology and Director of the M.I.T. Laboratory for Computer...

Jacob (Jack) Goldman

Creator of the Xerox Palo Alto Research Center, Goldman established one of the most influential research institutions in the history of modern computing. An American physicist and former Chief Scientist, Chief Technical...

Lubomir Georgiev Iliev

Pioneer of computing in Bulgaria and of abstract mathematics, Iliev was born in Samokov. He graduated from Sofia University in 1908, became a professor in 1925, and earned a PhD in Mathematical...

Robert (Bob) E. Watson

Directed such "firsts" for HP as the first HP desktop calculator family, HP's first handheld calculators, HP's first LaserJets, and HP's first ink-jet products, Watson spent 30 years with Hewlett-Packard, serving in...

Valerie Barr

Researcher in software testing, gender and science issues, and computer science curriculum development, Barr has served as Professor and Chair of Computer Science at Union College, Schenectady, New York, since September 2004....

Andrew (Andy) Stephen Grove

One of the earliest employees of Intel Corporation, Grove ultimately played key leadership roles in its success.

Biz Stone

Co-founder of Twitter, Stone also served as its Creative Director and helped to create and launch Xanga, Blogger, Odeo, and Obvious. Stone published two books about blogging, including *Blogging: Genius Strategies for...

John Makepeace Bennett

Pioneering computing in Australia, Bennett made key contributions both in Britain and in his home country. After wartime work on Radar in the Australian forces, John Bennett worked on a number of early...

Matti Makkonen

Known as the father of SMS (Short Message Service) — i.e., text messaging — Makkonen was an engineer in the field of Mobile Communications. Born in Suomussalmi, Finland, he was employed (among...

Sandy Lerner

Co-founder of Cisco Systems and co-designer of the first router connecting Stanford's computer systems, Lerner received her Bachelor's Degree in 1975 in Political Science from California State University, Chico, a Master's Degree...

Charles M. Sporck

Former CEO of National Semiconductor, Sporck led one of the most influential semiconductor companies of its era.

Dario de Judicibus

Founder of the Reuse Shop, the first IBM group to create software libraries of building blocks that could be used to develop products, de Judicibus is a prolific inventor and pioneer in...

Marcian (Ted) Edward Hoff

Inventor of the microprocessor, Hoff joined Intel in 1967 as employee number 12, and is credited with coming up with the idea of a universal processor instead of custom-designed circuits. His insight...

Adriaan van Wijngaarden

One of the founding fathers of informatica (computer science) and designer of ALGOL, van Wijngaarden was a pioneering figure in the history of computing. Adriaan's education was in mechanical engineering, for which...

Henry Edward Roberts

Designer of the first commercially successful personal computer, Roberts transformed computing in 1975. He founded Micro Instrumentation and Telemetry Systems (MITS) in 1970 to sell electronics kits to model rocketry hobbyists, but...