Douglas Donald Troxel

Developer of COMPAREX, an industry-standard mainframe product, Troxel founded SERENA Consulting in 1980 and grew it into a publicly traded software company without venture capital. Raised on a farm near Lake City, Iowa,...

László Kalmár

Pioneer in mathematical logic and theoretical computer science, Kalmár defined what are known as elementary functions, number-theoretic functions (i.e. those based on the natural numbers) built up from the notions of composition...

Jack Elton Bresenham

Developer of Bresenham's Line Algorithm in 1962, Bresenham is recognized as a pioneer in computer graphics. The algorithm is one of the earliest discovered in the field and determines which points in...

Balaram Sinharoy

Chief architect of IBM's POWER7 processor, on which the Watson computer runs, Sinharoy has been named an IBM Fellow, the company's highest technical distinction. Well-known as one of the world's top processor...

Peter Bird

Head of Lyons Computer Services, an early information service company in England, Bird rose to be a director of that organisation. He was born in 1934 in north London, the second son...

Igor Aleksander

A pioneer in artificial intelligence and neural networks, Aleksander was born in Croatia, educated in Italy and South Africa, and completed a PhD at Queen Mary College, University of London. In 1984...

Alan Curtis Kay

Pioneer of object-oriented programming and windowing graphical user interface design, Kay is an American computer scientist also known for coining the phrase, "The best way to predict the future is to invent...

Ronald K Stamper

Pioneer in organizational semiotics and information theory, Stamper is recognized for applying semiotics to information systems in a way that transformed the field. Born in Nottingham, England, 1934, Stamper studied mathematics and statistics...

Hugh McGregor Ross

One of the principal architects of the Universal Character Set ISO/IEC 10646, Ross was an early pioneer in the history of British computing. Born in Nairobi, Kenya, he worked for Ferranti from...

Gordon Matthews

Founder of ECS Communications (later VMX), one of the first companies to pioneer the commercialization of voicemail for corporate use, Matthews was an American inventor and businessman. He also invented systems to...

Vincent (Yu-Cheng) Hsu

Lead developer of the DS8000, which launched in 2005 and remains a key part of IBM's storage portfolio, Hsu has served as an IBM Fellow and IBM's Chief Technology Officer for Disk...

Tze-Chiang (T. C.) Chen

Major contributor to CMOS miniaturization and DRAM devices with a profound impact on IBM's leadership in CMOS process technology and DRAM manufacturing, Chen has served as an IBM Fellow and the Vice...

Francis (Fran) O. Underwood

Chief Architect of the IBM 1401, known as the SPACE Machine, Underwood was an engineer, machine designer, and engineering trainer for IBM. Born in Omaha, NE, he came from a line of...

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...

Hung Q. Le

Leader of the development of several microprocessor products that enabled IBM to be the leader in the server market, Le holds more than 80 patents in the field of microprocessor design and...

Jesse James Garrett

Publisher of the diagram "The Elements of User Experience," a foundational model of user-centered design, Garrett is a user experience designer and co-founder of Adaptive Path, a user experience strategy and design...

Charles M. Sporck

Former CEO of National Semiconductor, Sporck led one of the most influential semiconductor companies of its era.

Jonathan J. Rubinstein

Instrumental in the development of the iPod, Rubinstein is an American computer scientist and electrical engineer who played a central role in creating the portable music and video device first sold by...

Roger Sippl

Co-developer of the relational database Informix (INFORMation on unIX) and co-founder of Relational Database Systems (RDS), Sippl earned a B.S. in computer science from the University of California at Berkeley. He and...

Jaishankar (Jai) Moothedath Menon

Developer of RAID (Redundant Array of Independent Disks) storage technology, Menon was the driving force for advancing RAID storage systems as the high-performance, high-reliability solution for server-based computers. He served as Vice...