William Gordon Welchman

One of four signatories to an influential letter delivered personally to Winston Churchill in October 1941 asking for more resources for the code-breaking work at Bletchley Park, and teacher of the first...

Frank Raleigh Lautenberg

Former Chairman and Chief Executive Officer (CEO) of Automatic Data Processing, Inc., Lautenberg also served as the senior United States Senator from New Jersey and a member of the Democratic Party. He...

Guglielmo Marconi

Known as the father of long distance radio transmission, Marconi was an Italian inventor celebrated for his development of Marconi's law and a radio telegraph system. Although he is often accredited as...

George W. Platzman

One of the founders of modern meteorology, Platzman helped formulate the first weather forecast by computer, carried out in 1950 on the Electronic Numerical Integrator and Computer (ENIAC). He pioneered the field...

Raymond (Ray) John Noorda

Founder and former CEO of Novell, Noorda was a U.S. computer businessman who served in that role between 1982 and 1994. He also served as chairman of Novell until he was replaced...

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...

Bruce G. Buchanan

A key figure in the development of the Stanford Artificial Intelligence Laboratory, Buchanan is University Professor of Computer Science Emeritus at the University of Pittsburgh. He received a B.A. degree in Mathematics...

Matti Makkonen

Known as the father of SMS (Short Message Service) — i.e., text messaging — Makkonen was an engineer in the field of Mobile Communications. Born in Suomussalmi, Finland, he was employed (among...

Elaine Surick Oran

Considered a world authority on numerical methods for large-scale simulation of physical systems, Oran pioneered computational technology to solve complex reactive flow problems. Her work unified concepts from science, mathematics, engineering, and...

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,...

Hu Qiheng

Recognized as a global connector in the Internet Hall of Fame class of 2013, Hu Qiheng led the National Computing and Networking Facility of China, which connected China to the Internet in...

William Seward Burroughs

Inventor of the adding machine, Burroughs was posthumously inducted into the National Inventors Hall of Fame. An American inventor, born in Rochester, New York, the son of a mechanic, he worked with...

Monty M. Denneau

Pioneer in high-performance computer design, Denneau received the 2002 Seymour Cray Computer Engineering Award for "ingenious and sustained contributions to designs and implementations at the frontier of high performance computing leading to...

Joel S. Birnbaum

Director of the development of the precursor of Hewlett-Packard precision architecture — the basis for all Hewlett-Packard's RISC computers — Birnbaum has also served as Senior Vice President for Research and Development...

Gerard J. Holzmann

Developer of the SPIN model checker, Holzmann is a Dutch-born American computer scientist and researcher known for his work at Bell Labs in Murray Hill, New Jersey and at NASA. SPIN (short...

Shawn Fanning

Developed Napster, one of the first popular peer-to-peer filesharing platforms

Daniel Henry Holms Ingalls, Jr.

Inventor of BitBlit, the general-purpose graphical operation underlying most bitmap graphics systems, Ingalls is a pioneer of object-oriented computer programming and the principal architect, designer, and implementor of five generations of Smalltalk...

Edwin (Ted) Joseph Selker

Developer of the TrackPoint pointing stick technology and designer of the ThinkPad 755CV notebook computer (which doubles as an LCD projector), Selker is an American computer scientist known for his user interface...

Carlo Heinrich Séquin

Pioneer in computer processor design, Séquin is a Professor of Computer Science at the University of California, Berkeley. He has worked with computer graphics, geometric modelling, and on the development of computer...

Bertrand Meyer

Creator of the Eiffel programming language, Meyer has made foundational contributions to software engineering and object-oriented design. He received the equivalent of a bachelor's degree in engineering from the École polytechnique in...