James E. Rumbaugh

Co-developer of the Object Modeling Technique (OMT) and the Unified Modeling Language (UML), Rumbaugh is an American computer scientist and object-oriented methodologist who created these with Grady Booch and Ivar Jacobson. Born...

John W. Haanstra

Instrumental in the launch of the IBM System/360, Haanstra served as Chairman of the influential SPREAD Task Group (Systems Programming, Research, Engineering and Development) and President of the IBM General Products Division...

Robert Cailliau

Co-developer of the World Wide Web, Cailliau is a Belgian informatics engineer and computer scientist who, together with Sir Tim Berners-Lee, helped bring the web into existence. Born in Tongeren, Belgium, he...

Alec N. Broers

Pioneer of nanotechnology, Broers developed the first man-made nanostructures in materials suitable for microelectronic circuits, opening up the possibility for the extreme miniaturization of electronic circuits. An Anglo-Australian electrical engineer, Broers was born...

Clifford Ambrose Truesdell III

Developer of the mathematical underpinnings of continuum mechanics, Truesdell transformed the study of elasticity, fluid dynamics, and related fields through work that began in the 1960s and continued for the rest of...

Samuel Hawks Caldwell

Best known for his contributions to early computers, Caldwell was an American electrical engineer who completed his degrees in electrical engineering at MIT. His M.Sc. thesis was entitled Electrical Characteristics and Theory...

Joseph (J. J.) John Thomson

Discoverer of the electron and isotopes, and inventor of the mass spectrometer, Thomson was a British physicist and Nobel laureate born in Cheetham Hill, Manchester, England. His early education took place in...

Lynn Conway

Pioneer of the Mead and Conway revolution in VLSI design, Conway transformed the field of electronic chip design and automation. Conway joined Xerox PARC in 1973, where she led the "LSI Systems" group...

James David Foley

Co-author of several widely-used textbooks in the field of computer graphics — with over 400,000 copies in print and translated into ten languages — Foley is a Professor and the Stephen Fleming...

Theodor (Ted) Holm Nelson

Inventor of hypertext and hypermedia, Nelson coined both terms in 1963 and published them in 1965. An American sociologist, philosopher, and pioneer of information technology, he is also credited with the first...

James T. Russell

Inventor of the concept of optical digital recording and playback, Russell joined the Pacific Northwest National Laboratory of Battelle Memorial Institute in Richland in 1965. There, that same year, he developed the...

David J. Kuck

Developer of the Parafrase compiler system (1977), the first testbed for automatic vectorization and related program transformations, Kuck is one of the most influential figures in parallel computing. His influence spans a...

Stephen Robertson

Contributor to the Microsoft search engine Bing, Robertson is a British computer scientist well known for his work on information retrieval. After completing his undergraduate degree in mathematics at Cambridge University, he...

Edith Clarke

Pioneer of electrical engineering and the inventor of the Clarke calculator, Clarke broke barriers as the first woman to earn an M.S. in electrical engineering from MIT. Clarke studied mathematics and astronomy at...

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...

Brian Keith Reid

Known for developing the Scribe word processing system and pioneering the use of descriptive markup, Reid earned his B.S. in physics from the University of Maryland, College Park, and then worked in...

Derek Gehl

Internet marketing strategist, software developer, and e-commerce columnist and seminar speaker, Gehl has been a featured contributor to a number of industry publications, including Entrepreneur Magazine, MSNBC Small Business, and AOL Small...

John Sanguinetti

Principal architect of VCS, the Verilog Compiled Simulator, Sanguinetti has been a major contributor to the resurgence in the use of Verilog in the design community. Born and raised in Maryland, he...

Conel Hugh O'Donel Alexander, CMG, CBE

One of the key workers on breaking the Enigma machine, Alexander made vital contributions to British codebreaking during World War II. An Irish-born British cryptanalyst, chess player, and chess writer, he was...

Jean E. Sammet

Developer of FORMAC, the first widely used computer language for symbolic manipulation of mathematical formulas, Sammet spent 27 years at IBM where she created it. She received her B.A. in Math from Mount...