Jacob Bernoulli

Known for numerous mathematical landmarks including Bernoulli Numbers and the Bernoulli Differential Equation, Bernoulli became familiar with calculus through a correspondence with Gottfried Leibniz, then collaborated with his brother Johann on various...

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...

Stephen Cole Kleene

American mathematician who helped lay the foundations for theoretical computer science, Kleene was best known as a founder of the branch of mathematical logic known as recursion theory. One of many distinguished...

Amar Mukherjee

Pioneer in Switching Theory and the first to develop an algorithm for the minimization of EXOR-AND-type logic networks, Mukherjee was internationally recognized for his contributions to Hardware Algorithms for Non-numeric Computation, VLSI...

Peter John Landin

One of the first to realize that the lambda calculus could be used to model a programming language, Landin made contributions essential to the development of both functional programming and denotational semantics....

Icer Addis

Author of the NESticle, Genecyst, and Callus emulators, Addis is considered a legendary figure in the emulation scene. He co-founded Bloodlust Software with his friend Ethan Petty. Working independently under the Bloodlust...

Tom van Vleck

Co-author of the first email program for the Compatible Time-Sharing System (CTSS), one of the first time-sharing operating systems, van Vleck is an American computer software engineer. He worked at MIT on...

William Oughtred

Credited as the inventor of the slide rule in 1622, Oughtred was the first to use two logarithmic scales sliding by one another to perform direct multiplication and division. Oughtred also introduced the...

Katherine (Kathy) Anne Yelick

Co-inventor of Unified Parallel C (UPC), a programming language extension designed for high-performance computing on large-scale parallel machines, Yelick is an internationally recognized expert in high performance computing. Yelick has served as a...

Monte M. Toole

Builder of the device testing lab at Fairchild Semiconductor, Toole went on to found Novellus Surface Integrity Group (aka GaSonics International Corporation) in March 1971, serving as its Chairman until April 1998,...

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,...

Peter R. Samson

Creator of the Harmony Compiler for the PDP-1 and the Expensive Planetarium star display for Spacewar!, Samson is an American computer scientist best known for creating pioneering computer software. He studied at...

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....

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...

Branimir Makanec

A pioneer of computer popularization in Croatia, Makanec established the Multimedia Center of the Zagreb University Referral Center (MMC). The MMC was an open-type computer center intended to be used for non-numerical...

James A. Gosling

Credited as the inventor of the Java programming language, Gosling is best known as the father of Java.

William (Bill) Henry Gates

Founder of Microsoft, Gates is an American business magnate and philanthropist who co-founded the software company with Paul Allen. Gates has been consistently ranked among the world's wealthiest people and was the...

Micael Moritz

Noted Silicon Valley investor, Moritz has been a British-American venture capitalist with Sequoia Capital in Menlo Park, California, a former member of the board of directors of Google, and a philanthropist and...

Robert C. Pike

A member of the Unix team at Bell Labs, Pike was involved in the creation of the Plan 9 from Bell Labs and Inferno operating systems, as well as the Limbo programming...

Bruce Eckel

Author of "Thinking in Java" and "Thinking in C++", Eckel has written numerous books and articles about computer programming. He has also given frequent lectures and seminars for computer programmers. His best...