Bill Atkinson

Creator of HyperCard and co-founder of General Magic, Atkinson was also part of the Apple Macintosh development team and creator of the ground-breaking MacPaint application, among others. He also designed and implemented...

John Adrian Shepherd-Barron

Pioneer in the development of the cash machine (ATM), Shepherd-Barron joined De La Rue Instruments in the 1960s and in 1965 came up with the concept of a self-service machine that would...

Curt Herzstark

Designer and manufacturer of the Curta, one of the first mechanical pocket calculators, Herzstark was an Austrian engineer and inventor. Born in Vienna, the son of Marie and Samuel Jakob Herzstark, his...

Lois Haibt

The only female member of the ten-person team that invented FORTRAN, Haibt is an American computer scientist perhaps most famous for her role in creating the first successful high-level programming language. She...

Morgan Sparks

Co-inventor of the microwatt bipolar junction transistor, Sparks helped create a semiconductor device that led to personal computers, cell phones, and DVD players. He was born in Pagosa Springs, Colorado, and grew...

Gerald D. Cohen

CEO and founder of Information Builders, Cohen started an early enterprise database software company.

Francis Wilton Reichelderfer

Instrumental in bringing modern computerized technology to weather forecasting, Reichelderfer presided over a revolutionary era in the history of the National Weather Service. From 1938 to 1963, he guided the organization through...

Charles Proteus Steinmetz

Fostering the development of alternating current that made possible the expansion of the electric power industry in the United States, Steinmetz was a mathematician and electrical engineer who formulated mathematical theories for...

Charles Simonyi

Overseer of Microsoft's flagship Office applications Word and Excel, Simonyi also directed development of Excel's predecessor Multiplan. In 1981, he applied directly to Bill Gates for a job at Microsoft. With Multiplan,...

Cordell Green

Founder of the Kestrel Institute and known for his research in knowledge-based software engineering, Green has served as Director and Chief Scientist of Kestrel Institute, which he founded in 1981. He was...

Jason McGee

Lead architect on the team that developed the original WebSphere Application Server in 1998, McGee has been instrumental in establishing IBM as the leader in cloud technologies, Java-based application server middleware, and...

Tadashi Watanabe

Chief designer of SX-2, the first supercomputer introduced by NEC in 1983, which boasted the world's fastest speed at that time, Watanabe is a Japanese computer engineer widely recognized as a pioneering...

John C. Dvorak

Technology columnist and broadcaster, Dvorak has covered the computing industry since the 1980s, when he became a mainstay of a variety of magazines. Dvorak has also served as Vice-President of Mevio (formerly PodShow)...

Fred William Wenninger

Leader of the team that developed the Synchro-Rectro-Flash analog computer prototype at HP in the late 1960s, Wenninger also conducted early research for a new algebraic programming language that would eventually be...

Roger R. Schell

Regarded as the "father" of the Trusted Computer System Evaluation Criteria (the "Orange Book"), Schell is one of the foremost contributors to, and authorities on, "high assurance" computer security. He has served...

Jim Knopf (aka Button)

Considered by many to be one of the "fathers" of shareware (so named by fellow software veteran Peter Norton), Knopf worked as an IBM software engineer in Seattle, Washington, where he wrote...

Travis Cordell Kalanick

Co-founder of Uber, the transportation network company connecting passengers with drivers of vehicles for hire and ridesharing services, Kalanick is an American entrepreneur who also co-founded the peer-to-peer file sharing company Red...

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...

David L. Harame

Lead developer of the world's first successful silicon germanium (SiGe) technology for analog and communications circuits, Harame has served as a Director at IBM, an IBM Fellow, an IEEE Fellow, and a...

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...