David Michael Ungar

Co-creator of the Self programming language, Ungar developed the prototype-based, object-oriented language with Randall Smith in 1986 while working at Xerox PARC. He described himself as "an out-of-the-box thinker who enjoys the...

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...

Ruchi Sanghvi

The first female engineer hired by Facebook, Sanghvi later founded her own company, Cove, in 2011, alongside two co-founders. Dropbox acquired Cove in 2012, and Sanghvi joined Dropbox as VP of Operations,...

Edward Fredkin

A pioneer of reversible computing and cellular automata, Fredkin was also an early pioneer of digital physics, later using the term digital philosophy (DP) to describe his work. While Konrad Zuse's book,...

Gerald D. Cohen

CEO and founder of Information Builders, Cohen started an early enterprise database software company.

Christopher Strachey

One of the founders of denotational semantics and a pioneer in programming language design, Strachey made lasting contributions to computer science. After the war he fulfilled a long-standing ambition by becoming a schoolmaster...

Susan L. Graham

Co-builder of the Berkeley Pascal system and the widely used program profiling tool Gprof, Graham is an American computer scientist who has served as the Pehong Chen Distinguished Professor in the Computer...

Elon James Gasper

Holder of several patents relating to Lip Sync and other technology, Gasper is a former Senior VP at VizX Labs and co-founder of 1980s-era software company Bright Star Technology. Described by Ken...

Harald Tveit Alvestrand

Author of several important RFCs, Alvestrand has served on the ICANN Board and as a member of the Unicode Board of Directors. He co-chaired the IETF EAI and USEFOR Working Groups.

David R. Millen

Director of a User Interface Design Group responsible for the user interface design of advanced business communications systems and exploratory prototype development of advanced speech applications and pen-based interfaces, Millen has also...

Ernest (Lee) E. Keet

Founder of Turnkey Systems, Inc. (TSI) and founding director of both the Charles Babbage Foundation and the IT History Society, Keet helped launch one of the pioneering commercial software firms of the...

Dabbala (Rej) Rajagopal Reddy

Pioneer of large-scale artificial intelligence systems, Reddy is recognized for demonstrating the practical importance and potential commercial impact of AI technology. One of the early pioneers in Computer Science and Artificial Intelligence,...

Jack B. Dennis

A pioneer of time-sharing and hacker culture, Dennis is a computer scientist whose research group owned the PDP-1 at MIT — the machine that later became famous in computer science history as...

Gary Durbin

Founder of a company in 1970 that introduced Secure, an early software security product, Durbin is a software pioneer and entrepreneur with over thirty-five years of experience. He began his career specializing...

Martin A. Goetz

Software pioneer and holder of the first software patent, Goetz played a foundational role in defining software as a standalone commercial product. In the early 1960s, the status of software as a standalone...

Frank Gerald Soltis

Chief Scientist for IBM's System i computers, Soltis is recognized as a pioneer of technology-independent machine interfaces (TIMI) and describes himself as the grandfather of the AS/400. His pioneering architecture of TIMI...

Aaron Hillel Swartz

Co-developer of RSS, Creative Commons, web.py, and Reddit, Swartz was an American computer programmer, writer, political organizer, and Internet activist. He was born in Chicago, Illinois, the son of Susan and Robert...

Thomas Siebel

Founder of Siebel Systems and pioneer of customer relationship management (CRM), Siebel revolutionized sales by developing software to automate sales and customer service activities. He graduated from the University of Illinois at...

T. Capers Jones

Associated with the function point model of cost estimation, Jones is a specialist in software engineering methodologies. He has also collected data on software quality, software risks, and software best practices. He...

Lawrence J. Shoenberg

Noted for serving as head of three sections of ADAPSO—Software Products, Professional Services, and Information Systems Integration—Shoenberg also spent 20 years on the ADAPSO board and served a term as its chair....