Frederick (Jeff) Johns Rulifson

Leader of the team that implemented the oN-Line System (NLS), which foreshadowed many future developments in modern computing and networking, Rulifson is an American computer scientist born in Bellefontaine, Ohio. His father...

Peter R. Jennings

Author of the first commercially successful chess program for microcomputers, Jennings is a Canadian physicist, interdisciplinary scientist, inventor, software developer, computer chess programmer, businessman, and paraglider. Born in England, his family moved...

Allan Marquand

Builder of a mechanical logical machine that is still extant, Marquand is described as having created "…mills into which the premises are fed and which turn out the conclusions by the revolution...

Richard Ernest Bellman

Developer of dynamic programming, Bellman made foundational contributions to mathematics and computer science by introducing a method for solving complex problems by breaking them down into simpler sub-problems. An American applied mathematician...

Allessandro Volta

Inventor of the battery in 1800 and a remotely operated pistol that was a significant forerunner of the telegraph, Volta transformed the understanding of electricity. He was born in Como, Italy, and taught...

Seymour Ivan Rubinstein

Director of the development of WordStar — the first truly successful commercial program for the personal computer — Rubinstein gave the general population reasonably priced access to word processing for the first...

Paul Gardener Allen

Co-founder of Microsoft, Allen launched the company with Bill Gates in Albuquerque, New Mexico, in 1975, and began marketing a BASIC programming language interpreter. In 1980, after promising to deliver IBM a...

David L. Mills

Inventor of the Network Time Protocol, the fuzzball router, and the Exterior Gateway Protocol, Mills was an American computer engineer and Internet pioneer. He earned his PhD in Computer and Communication Sciences...

Kenneth Eugene Iverson

Developer of the APL programming language in 1962, Iverson was a Canadian computer scientist noted for his contributions to mathematical notation and programming language theory. He was honored with the Turing Award...

Victor Mayer Amédée Mannheim

Inventor of the modern slide rule, Mannheim standardized the design that remained in common use until pocket calculators took over. After graduating from the École d'Application in Metz, Mannheim became an officer of...

Grete Hermann

Known for foundational work in both quantum mechanics and computer algebra, Hermann was a German mathematician, philosopher, and theoretical physicist whose critique of Von Neumann's no hidden variables proof proved decades ahead...

Robert John Lansdown

A pioneer of the use of computers for architecture and other creative activities, and one of the founders of the Computer Arts Society, Lansdown was also a British computer graphics polymath and...

George Edward Pake

Founding director of Xerox PARC, Pake led the research center during which time it invented the laser printer and pioneered the use of a computer "desktop" which functioned by clicking on "icons,"...

Frederica Darema

Proposer of the Single Program, Multiple Data (SPMD) programming model, Darema introduced SPMD in 1984, establishing what has become the most common style of parallel programming. In computing, Single Program, Multiple Data...

Steven (Steve) L. Scott

An expert in high performance computer architecture and interconnection networks, Scott has worked as a computer architect at Cray Research, Inc., Silicon Graphics, Inc. (SGI), and Cray, Inc., and has also served...

Ashok N. Srivastava

Leader of the Intelligent Data Understanding group at NASA Ames Research Center, Srivastava performed research and development of advanced machine learning and data mining algorithms in support of NASA missions. He has...

Kesav Vithal Nori

One of the creators of the Pascal P4 compiler, Nori is well-known for this work done together with Nikolaus Wirth. He has served as Executive Director and Executive Vice President of Tata...

Robert B. Palmer

Member of the founding team at Mostek, where he pioneered the use of ion implantation technology for the manufacture of MOS circuits, Palmer is also known as the last Chairman and Chief...

Cuthbert Corwin Hurd

Pioneer of IBM's development of general-purpose computers, Hurd made contributions that helped transform scientific computing. In 1947 Hurd worked for Union Carbide as a mathematician at the United States Atomic Energy Commission facility...

David Patrick Reed

Designer of the User Datagram Protocol (UDP), Reed is an American computer scientist known for significant contributions to computer networking, including the design and construction of Internet protocols, distributed data storage, and...