John Vittal

Developer of MSG, the first modern email program, Vittal is recognized as the person responsible for transforming the old email system into the highly user-friendly tool of today. A computer programmer who...

Steve (Slug) Russell

Chief developer of Spacewar!, one of the earliest videogames, Russell is an American video game designer, programmer, and computer scientist. Born in Hartford, Connecticut, his family later moved to a small farm...

Roger D. Moore

Co-recipient of the 1973 Grace Murray Hopper Award from the Association for Computing Machinery, Moore was recognized — along with Larry Breed and Richard Lathwell — for their work in the design...

Alan Kotok

Co-developer of what is sometimes called the first video game (Spacewar!), Kotok was also part of the team that wrote the Kotok-McCarthy program which took part in the first chess match between...

Donald Becker

Co-creator of the Beowulf clustering software, Becker is known throughout the international community of operating system developers for his contributions to networking software. The Beowulf clustering software connected many inexpensive PCs to...

Jerry D. Hutcheson

Researcher of several types of semiconductor devices, Hutcheson joined the electronics industry in 1959 and advanced through a succession of research and manufacturing posts in several companies that involved him with the...

Richard (Dick) P. Case

Responsible for the engineering design of the IBM 1410 CPU and the IBM 7040–7044 processing systems, Case began his long and distinguished career at IBM in 1956 as a Technical Engineer. During his...

Dov (Bentchkowsky) Frohman

Inventor of the erasable programmable read only memory (EPROM), which eventually led to today's flash memory technology, Frohman is an Israeli electrical engineer and business executive, a former Vice President of Intel...

John C. Freeman

Co-developer of numerical models used in making the first successful computer weather forecasts, Freeman is recognized as a pioneer whose work made today's computer models for weather prediction possible. A native Houstonian and...

Robert (Bob) E. Lorenzini

Co-designer and developer of a crystal growing furnace, Lorenzini joined Rheem Semiconductor in 1960, the first spin-off from Fairchild Semiconductor, where he was involved in the design and development of that furnace....

Edward Nash Yourdon

Pioneer of structured analysis and object-oriented design methodologies, Yourdon was known as one of the lead developers of the structured analysis techniques of the 1970s, as co-developer of the Yourdon/Whitehead method for...

Alan Mathison Turing

The mathematical logician Alan Mathison Turing OBE (1912-1954) contributed to logic, mathematics, cryptanalysis, philosophy, mathematical biology, and formatively to computer science, Artificial Intelligence, cognitive science, and the computational study of biological growth. Turing...

Lars Wirzenius

Co-founder of the Linux Documentation Project, Wirzenius has been programming computers since 1984. He worked on Linux documentation, including the Linux System Administrator's Guide, and was the co-moderator of the comp.os.linux.announce newsgroup....

Ed Colligan

Leader of the marketing campaign that launched the Palm family of PDAs and smartphones, Colligan later served as president and CEO of both Handspring and Palm, Inc. He also worked at the private...

William (Bill) Worley Jr.

Principal creator of HP's two most important computer architectures, Worley's work includes PA-RISC (Precision Architecture—Reduced Instruction Set Computing) in the 1980s and PA-WW (Wide-Word) in the 1990s. He started programming in 1959 for...

Andrew (Andy) Stephen Grove

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

William (Bill) F. Beausoleil

Designer of some of the world's first silicon-based computer systems in the 1950s and 1960s, Beausoleil is a triple fellow of IBM, Cadence, and the IEEE. Born Oct. 24, 1929, the day...

Karen Spärck Jones

Pioneer of inverse document frequency (IDF) weighting in information retrieval, Spärck Jones introduced a concept now used in most search engines today. A British computer scientist, she was born in Huddersfield, Yorkshire, England...

Donald Valentine

Referred to as the "grandfather of Silicon Valley venture capital," Valentine was an American venture capitalist who concentrated mainly on technology companies in the United States. Valentine grew up in the Bronx,...

Craig R. Barrett

Former CEO and Chairman of Intel Corporation, Barrett has been a leading advocate for improving education in the U.S. and around the world. He has also served as a vocal spokesman for...