Jason McGee

Lead architect on the team that developed the original WebSphere Application Server in 1998, McGee has been instrumental in establishing IBM as the leader in cloud technologies, Java-based application server middleware, and...

Morton M. Astrahan

Developer of the SAGE air-defense computer and a pioneer in relational database systems, Astrahan joined IBM in 1949 and spent his entire professional career there—first at the Endicott Laboratory and then later...

Robert (Bob) M. Frankston

Co-creator of VisiCalc and co-founder of Software Arts, Frankston received numerous honors and awards for his work. He has been named a Fellow of the Association for Computing Machinery (1994) "for the...

Richard E. Crandall

Developer of the irrational base discrete weighted transform, an important method of finding very large primes, Crandall made significant contributions to computational number theory. He served, at various times, as Chief Scientist...

Lawrence (Larry) G. Roberts

Developer of ARPANet and the Internet, Roberts served as chief scientist at the Advanced Research Projects Agency, where he and his team created packet switching and the ARPANet, which was the predecessor...

Cornelis (Kees) H.A. Koster

Creator of the original Compiler Description Language, Koster was also one of the editors of the original Report on the Algorithmic Language ALGOL 68. He was a professor in the Department of Informatics...

Marvin Lee Minsky

Co-founder of MIT's AI laboratory and a towering figure in artificial intelligence, Minsky was an American cognitive scientist and author of several texts on AI and philosophy.

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...

Evgenii Mikhailovich Landis

Co-inventor of the AVL tree data structure, Landis worked with Georgy Adelson-Velsky to produce one of the most influential innovations in computer science. In 1946, Aleksandr Kronrod and Landis reinvented Sard's Lemma, which...

David Bradley

One of the twelve engineers who developed the original IBM PC, Bradley is known for creating the computer's ROM BIOS code. He is also the author of *Assembly Language Programming for the...

Jack van Kinsbergen

From the Petworth neighborhood of Washington D.C., he graduated in 1959 from University of Maryland with a degree in Electrical Engineering. He began working at Philco in Philadelphia in the spring of...

Frederick Jelinek

Pioneer of speech recognition, Jelinek was a Czech-American researcher in information theory, automatic speech recognition, and natural language processing, well known for his oft-quoted statement, "Every time I fire a linguist, the...

Edwin Earl Catmull

A pioneer of computer graphics and former President of both Pixar Animation Studios and Walt Disney Animation Studios, Catmull has contributed to many important developments in computer graphics. He was born in...

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...

Edward Hance Shortliffe

Pioneer in the use of artificial intelligence in medicine, Shortliffe is best known as the principal developer of the clinical expert system MYCIN, one of the first rule-based artificial intelligence expert systems,...

Donald Lester Bitzer

Co-inventor of the Plasma Display and sometimes called the "father of PLATO" (Programmed Logic for Automatic Teaching Operations), the first generalized computer-assisted instruction system, Bitzer was an American electrical engineer and computer...

Werner L. Frank

Co-founder of Informatics General Corporation, one of the first viable software companies, Frank is a pioneering figure and longtime contributor to the United States and international computer industry. Born in the small...

Ray Ozzie

Creator of Lotus Notes and founder of Groove Networks, Ozzie has been a central figure in collaborative software development. He received his bachelor's degree in computer science in 1979 from the University of...

Robert Cailliau

Co-developer of the World Wide Web, Cailliau is a Belgian informatics engineer and computer scientist who, together with Sir Tim Berners-Lee, helped bring the web into existence. Born in Tongeren, Belgium, he...

Igor L. Markov

Leader of the effort on the Hardware tree during the 2011 redesign of the ACM Computing Classification System, Markov has served as an Associate Professor of Electrical Engineering and Computer Science at...