David Harold Bailey

Writer of the computer program that enabled the discovery of the Bailey–Borwein–Plouffe formula for computing digits of pi, Bailey is a mathematician and computer scientist. He received his B.S. degree in Mathematics...

Harry Sello

Responsible for the transfer of silicon transistor technology to Societa Generale Semiconduttore in Italy, negotiating cultural and industrial boundaries, Sello is an American chemist born in Russia whose family emigrated to the...

John Ponzo

A pioneer in technology that promotes end-user interaction through mobility, Web programming, Web application middleware, and software tools, Ponzo has served as IBM's CTO and technical leader of Mobile First, a new...

Alberto Sangiovanni-Vincentelli

Co-founder of Cadence Design Systems and Synopsys—the two largest companies in Electronic Design Automation (EDA)—Sangiovanni-Vincentelli is a world-renowned authority on integrated circuit and system design who has been instrumental in bringing EDA...

Charles Leonard Hamblin

Inventor of Reverse Polish Notation and the stack in computing, Hamblin was an Australian philosopher, logician, and computer pioneer. He served as a professor of philosophy at the Technical University of New...

Yakov Rekhter

One of the leading architects and a major software developer of the NSFNET Backbone Phase II, Rekhter also co-designed the Border Gateway Protocol (BGP), the core routing protocol of the Internet. Rekhter joined...

John Cocke

Considered by many to be the father of RISC architecture, Cocke was an American computer scientist recognized for his large contributions to computer architecture and optimizing compiler design. John Cocke was born on...

Robert Rivers Everett

Designer of Whirlwind — the first computer to operate in real time — Everett joined the MIT Servomechanisms Laboratory in 1942 as a graduate student and in 1943 as a staff member....

Léon Bollée

Inventor of the first calculating machine, Bollée began work in 1887 on three calculating machines: the Direct Multiplier, the Calculating Board, and the Arithmographe. Bollée's Multiplier was the second successful direct-multiplying calculator...

Aaron F. Bobick

Expert in using computer vision techniques to recognize people, Bobick's research has been reported by the BBC News and ABC News. His research has been in the field of Artificial Intelligence and...

Steven (Steve) Paul Jobs

Co-founder and CEO of Apple, Jobs was an American business magnate who also previously served as chief executive of Pixar Animation Studios. He became a member of the board of The Walt...

Clive Marles Sinclair

Developer of the first mass-market UK home computer for under £100, Sinclair was a British entrepreneur and inventor responsible for the ZX80, ZX81, and ZX Spectrum computers, as well as the slim-line...

Barry Schrager

Co-designer and developer of early commercial computer security software products, Schrager is recognized as one of the people who started the concept of data security when he founded and became the first...

Gregory Bateson

A pioneer in extending systems theory and cybernetics to the social and behavioral sciences, Bateson had a natural ability to recognize order and pattern in the universe. In the 1940s he helped...

Leonid Anatolievich Levin

Co-discoverer of the Cook-Levin Theorem, Levin is noted for his work in randomness computing, algorithmic complexity, and intractability. This NP-completeness theorem was a basis for one of the seven "Millennium Math Problems"...

D. (Jim) James Guzy, Sr.

An Angel Investor of numerous computer corporations, Guzy has served as an Intel Board member for 38 years. He has been a Co-Founder and Chairman of the Board of SRC Computers, LLC...

Philip (Phil) R. Zimmermann, Jr.

The creator of Pretty Good Privacy (PGP), the most widely used email encryption software in the world, Zimmermann is also known for his work in VoIP encryption protocols, notably ZRTP and Zfone....

Lois Haibt

The only female member of the ten-person team that invented FORTRAN, Haibt is an American computer scientist perhaps most famous for her role in creating the first successful high-level programming language. She...

Nathan Rochester

Designer of the IBM 701, the first general-purpose, mass-produced computer, Rochester was also the writer of the first symbolic assembler and a founding participant in the field of artificial intelligence. Nathan Rochester received...

Shuman Ghosemajumder

Creator of the first real-time collaborative graphic design application, Ghosemajumder is a Canadian technologist, entrepreneur, and author. He was born in Stuttgart, Germany and grew up in London, Ontario, Canada. In 1996 he...