Richard E. Pattis

Author of the Karel programming language, Pattis published "Karel the Robot: A Gentle Introduction to the Art of Programming." He received his MS from Stanford University and has served as a professor...

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...

Alfred Vaino Aho

Co-author of the AWK programming language and numerous landmark computer science textbooks, Aho is widely recognized as a foundational figure in programming languages and compiler design. He conducted research at Bell Labs...

Matthew (Matt) David Welsh

Co-founder of the Linux Documentation Project, Welsh is a computer scientist and software engineer. He has also served as the Gordon McKay Professor of Computer Science at Harvard University School of Engineering...

Charles Simonyi

Overseer of Microsoft's flagship Office applications Word and Excel, Simonyi also directed development of Excel's predecessor Multiplan. In 1981, he applied directly to Bill Gates for a job at Microsoft. With Multiplan,...

Fred M. Gibbons

Co-founder and CEO of Software Publishing Corporation (SPC), best known for its pioneering Harvard Graphics business and presentation graphics program, Gibbons cofounded the Mountain View, California-based company in 1980 along with two...

Klaus Samelson

A pioneer whose research led to a fundamental breakthrough in how computer systems are modeled and designed, Samelson also played a key role in the design of ALGOL 58 and ALGOL 60....

Charles F. Goldfarb

Known as the "father" of SGML and "grandfather" of HTML and the World Wide Web, Goldfarb co-invented the concept of markup languages. He was a graduate of Columbia College and held a...

Matthias Ettrich

Founder of the LyX project, an open source document processor popular among technical authors and scientists for its advanced mathematical modes, Ettrich is a German computer scientist and software engineer known for...

John Sall

Co-developer of the SAS System and co-founder of SAS Institute Inc., Sall has made extensive programming contributions in econometrics, time series, and matrix algebra. Born in Rockford, Illinois, he is an American...

Kirk Paul Lafler

Author of *PROC SQL: Beyond the Basics Using SAS* and a data scientist, Lafler is an educator, developer, programmer, and consultant. He teaches as a lecturer and adjunct professor at San Diego...

Lucinda (Lucy) M. Sanders

Bell Labs Fellow and CEO and Co-founder of the National Center for Women and Information Technology, Sanders has worked to expand the talent pool in the computing field while building on a...

Larry Wall

Creator of Perl, Wall is one of the most influential figures in the open-source software movement. Wall studied linguistics and music at Seattle Pacific University, where he graduated in 1976. He later attended...

David (Dave) B. Lindquist

Responsible for the strategy and architecture of IBM's Cloud technology (SmartCloud software), Smarter Infrastructure, and Integrated Service Management solutions, Lindquist has served as an IBM Fellow, Chief Technology Officer of Software Group,...

John Karat

Lead researcher in the field of human-computer interaction and co-developer of IBM's large vocabulary desktop speech recognition system, Karat is an internationally recognized figure whose career with IBM spanned Development (1982–1987) and...

Harry Lewis Nelson

Co-discoverer of the 27th Mersenne prime in 1979, which was at that time the largest known prime number, Nelson is also recognized as one of the world's foremost experts in writing optimized...

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,...

Robert (Bob) Stanley Barton

Chief architect of the Burroughs B5000, Barton was also a co-inventor of dataflow. His thinking was broadly influential. As one example, Barton influenced the systems and higher-level computer language thinking of Alan Kay,...

Naveen Selvadurai

Co-founder of the location-based social networking site Foursquare.com, Selvadurai is a US internet entrepreneur born in Chennai, Tamil Nadu, India. He graduated with degrees from King's College London in the UK and...

Pieter Van den Abeele

Founder of the PowerPC version of Gentoo Linux, Van den Abeele spearheaded the Gentoo architectures and platforms effort together with Daniel Robbins. He received a scholarship from Apple Computer for founding Gentoo...