John (Jack) Mason Harker

Pioneer of the IBM 350 RAMAC disk storage unit — the world's first hard disk drive — Harker started as a member of the original team that developed the first disk storage...

James Herbert Pomerene

Co-inventor and developer of the IAS machine and IBM 7030 and Harvest computers, Pomerene joined the Electronic Computer Project at the Institute for Advanced Study (IAS) in Princeton, New Jersey under the...

Andrew Donald Booth

Inventor of magnetic drum storage, Booth was a distinguished pioneer in the development of computers in the UK. Booth received a PhD from the University of Birmingham during the Second World War on...

Heinz Nixdorf

German computer entrepreneur, Nixdorf founded and led Nixdorf Computer AG. He developed and marketed low-end commercial computers mainly within Europe between 1965 and 1985. He had production facilities in Germany, Ireland, Spain,...

Enrico Clementi

Leader of research and development in parallel computer architecture and fundamental research in chemistry, biophysics, and fluid dynamics, Clementi was a pioneer in computational techniques for quantum chemistry and molecular dynamics. Born...

Arimasa Naitoh

Popularly known as the "father" of the ThinkPad Notebook PC, Naitoh has served as Vice-President of Development for Lenovo's Notebook division. While at IBM's development facility in Yamato City, Japan, he worked...

Pratap Pattnaik

Chief architect and scientist for defining, designing, and implementing the key research technologies that influenced IBM's server design in high-performance computing, Pattnaik has served as an IBM Fellow at the IBM Thomas...

Ravi Arimilli

Chief Architect largely responsible for the development of the IBM POWER5, Arimilli has been named an IBM Fellow, the company's highest technical honor, in May 2001. One of the most prolific inventors...

Frank Hall Sumner

Co-developer of the implementation of Virtual Memory for the Atlas central processing unit — a concept now used in most computers — Sumner made a lasting contribution to modern computing. Born in Manchester,...

Leonard Bosack

Pioneer of commercialization of routing technology and co-founder of Cisco Systems, Bosack received the Computer Entrepreneur Award in 2009 for pioneering and advancing the commercialization of routing technology and the profound changes...

John Murphy

Lead development engineer on ARCNET, the first commercial networking system, Murphy has served as a principal engineer and entrepreneur in the networking industry. ARCNET was originally developed in 1976 to connect groups...

Paul Eliot Green, Jr.

Co-creator of the Rake receiver and supervisor of its deployment in the first-ever spread-spectrum system, Green changed the landscape of electronic signaling. He was born in Chapel Hill, North Carolina, and was...

Arnold T. Nordsieck

Builder of the "differential analyzer"—an analog computer capable of solving complex equations and drawing curves—Nordsieck constructed the device in the 1950s out of $700-worth of war surplus materials. Clones subsequently became the...

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...

Ken Kutaragi

Known as "The Father of the PlayStation," Kutaragi developed the PlayStation and its successors and spinoffs, including the PlayStation 2, PlayStation Portable, and the PlayStation 3. He has served as Chairman and...

Robert L. Patrick

Designer of the first operating system — a non-stop multi-user batch processing operating system for the IBM 704 — Patrick entered the computer field in 1955. While at Convair, in Ft. Worth,...

Stuart Parkin

Pioneer in the science and application of spintronic materials, Parkin has served as Manager of the Magnetoelectronics group at IBM Research, Almaden, in San Jose, California, and as a 1999 IBM Fellow...

Donald (Don) Nielson

Supporter of the development of the first hand-held computer terminal, Nielson joined SRI in 1959 as a Research Engineer, taking on assignments in telecommunications technology while working on his Ph.D. at Stanford,...

Clive Marles Sinclair

Developer of the first mass-market UK home computer for under £100, Sinclair was a British entrepreneur and inventor responsible for the ZX80, ZX81, and ZX Spectrum computers, as well as the slim-line...

Harold Cohen

Author of the celebrated AARON program, an ongoing research effort in autonomous machine (art making) intelligence, Cohen is recognized as one of the few artists ever to have become deeply involved in...