Clair D. Lake

Co-inventor of IBM's MARK I and co-developer of the first Type 1 Total Printing and Listing Tabulator, Lake was a prolific IBM inventor. In May 1939 he was assigned to serve as...

Philibert Maurice d'Ocagne

Pioneer of nomography — the systematization of graphical calculation methods using nomograms — d'Ocagne was a French engineer and mathematician whose scientific personality soon fell into oblivion, leaving only a few milestones...

James (Jim) Nicholas Gray

Pioneer of granular database locking, two-tier transaction commit semantics, and the data cube operator for data warehousing applications, Gray transformed the field of database and transaction processing systems. Gray studied at the University...

Nicholas (Nick) John Pippenger

Co-inventor of extendible hashing, Pippenger is recognized for a number of fundamental results widely used in theoretical computer science, database processing, and compiler optimization. He held a B.S. degree in Natural Sciences...

Kanianthra Mani Chandy

Co-proposer of a new solution to the Dining Philosophers problem, Chandy is recognized for his contributions to concurrent algorithm design and distributed computing. Along with J. Misra, he proposed the solution in...

David John Wheeler

Inventor of the closed subroutine, Wheeler was a pioneer of standard programming techniques whose elegant coding of the EDSAC Initial Orders in only 30 words of store remained a model of what...

Peter Karmanos, Jr.

Co-founder of Compuware, a worldwide leader in software technology, Karmanos launched the company in 1973 with two partners, Thomas Thewes and Allen Cutting. Born into a Greek immigrant family, he graduated from...

John E. Kelly, III

Founder of IBM's Semiconductor Research and Development Center in 1996, Kelly set the pace in IBM's semiconductor technology development, unveiling back-end-of-the-line copper interconnect technology ahead of the industry and introducing the transition...

Mark Edwin Kriegsman

Developer of large-scale rule-based, statistical, and text-processing AI systems, Kriegsman is an American entrepreneur, computer programmer, inventor, and writer. His fascination with computers caught the attention of a local newspaper in 1979,...

Anne-Marie Kermarrec

Founder of Mediego, a startup focused on real-time online content personalization, Kermarrec was a French computer scientist and professor at EPFL in Switzerland. There she headed the Scalable Computing Systems Laboratory in...

Stephen W. Dunwell

Lead engineer in the development of IBM's STRETCH supercomputer, Dunwell oversaw a project that was first shipped in 1962—two years before the introduction of the legendary IBM System/360. The development of STRETCH illustrates...

Mitchell David Kapor

Founder of Lotus Development Corporation and designer of Lotus 1-2-3, Kapor co-founded the company in 1982 with Jonathan Sachs, who was responsible for technical architecture and implementation. He served as the President...

Susan Kare

Creator of many of the interface elements for the Apple Macintosh, Kare is an artist and graphic designer whose iconic work includes the Lasso, the Grabber, and the Paint Bucket icons, and...

Wei Yen

Major contributor to the Cydra-5 mini-supercomputer, Yen is a software developer and entrepreneur who has been involved with several companies, including as chairman and founder of AiLive. He and his brother David...

Willem (Wim) Roelandts

Born in Lennik, Belgium, he holds a BS in Electrical Engineering from Rijks Hogere Technische School in Anderlecht, Belgium in 1965. He began his career with Hewlett Packard in Belgium in 1967....

James (J.H.) Hardy Wilkinson

A prominent researcher in numerical analysis to facilitate the use of the high-speed digital computer, Wilkinson received the Turing Award in 1970 "for his research in numerical analysis to facilitate the use...

Paul Maritz

Responsible for essentially all of Microsoft's desktop and server software — including such major initiatives as the development of Windows 95, Windows NT, and Internet Explorer — Maritz has served as a...

John Blankenbaker

Designer and inventor of the Kenbak-1, considered by the Computer History Museum and the American Computer Museum to be the world's first "personal computer," Blankenbaker founded Kenbak Corporation in 1970, and the...

Wendy W Hall

Leader of the team that invented the Microcosm hypermedia system before the World Wide Web existed, Hall has been a pioneering figure in multimedia, hypermedia, and web science. Born in west London,...

Matthew J. Szulik

Former Chairman of Red Hat, Szulik led several other technology companies, including Interleaf and MapInfo, for more than 20 years. He has also held the titles of chief executive officer and president...