Bernard (Barney) M. Oliver

Co-developer of pulse-code modulation (PCM) and leader of the team that produced the first hand-held calculators at Hewlett-Packard, Oliver was a scientist who made contributions in many fields, including radar, television, and...

Bob (Boe) Overton Evans

At IBM, Evans led the groundbreaking development of compatible computers that changed the industry. He persuaded IBM's chairman, Thomas J. Watson Jr., to discontinue the company's development of a hodgepodge of incompatible...

Anthony (Tony) M. Fadell

Developer of technologies including the Sony Magic Link, Motorola Envoy, and the Apple iPod, Fadell is a Lebanese American computer science engineer. He served as Senior Vice President of the iPod Division...

Mamoru Hosaka

A pioneer of seminal computer research and development in Japan, Hosaka was born in 1920 and graduated from the University of Tokyo in 1942, majoring in aeronautical engineering. After 1946, he belonged...

Jan Aleksander Rajchman

Conceiver of the first read-only memory and developer of the selectively addressable storage tube, Rajchman was an American electrical engineer and computer pioneer. Although he was born in London, he received 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...

Carl Sassenrath

Creator of the Amiga Computer operating system kernel, which brought multitasking to personal computers, Sassenrath is also the designer of the REBOL computer language. Born in Eureka, California, he has served as...

John Aris

Part of the original team that built the LEO computer, Aris later served as Director of the National Computing Centre (NCC) 1985–90, where he championed the importance and the skills of computer...

Marc Snir

Leader of the research group responsible for major contributions to the IBM SP scalable parallel system and to the IBM Blue Gene system, Snir is a parallel computing expert whose research and...

Paul Castrucci

Leader of the team that invented and developed a major paradigm shift in computer storage, Castrucci's work set the stage for current computer memory technology. Born in St. Johnsville, New York on the...

Frank Gerald Soltis

Chief Scientist for IBM's System i computers, Soltis is recognized as a pioneer of technology-independent machine interfaces (TIMI) and describes himself as the grandfather of the AS/400. His pioneering architecture of TIMI...

Charles Ingerham Peddle

Main designer of the MOS Technology 6502 microprocessor, the KIM-1 SBC, and the Commodore PET personal computer, Peddle was an American electrical engineer. Born in Bangor, Maine, he worked in a radio...

Blaise Pascal

Inventor of the Pascaline, a mechanical calculator capable of addition and subtraction, Pascal built twenty of these machines over the following ten years after constructing the first in 1642 following three years...

Vannevar Bush

The first presidential science advisor, Bush was an American engineer and science administrator known for his work on analog computing, his political role in the development of the atomic bomb as a...

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...

Alan Mathison Turing

The mathematical logician Alan Mathison Turing OBE (1912-1954) contributed to logic, mathematics, cryptanalysis, philosophy, mathematical biology, and formatively to computer science, Artificial Intelligence, cognitive science, and the computational study of biological growth. Turing...

Bert E. Forbes

Co-architect of the HP 3000 minicomputer and designer of HP's first 16-bit microprocessor, Forbes is an innovator, accomplished business executive, and visionary philanthropist whose passion for serving his profession and his community...

Bernard Meyerson

Founder and developer of IBM's highly successful Analog and Mixed Signal business, Meyerson has served across a series of science, engineering, and business leadership roles throughout his career at IBM. Born in New...

Hans C. Pfeiffer

Inventor of PREVAIL, IBM's E-Beam Projection approach for Next Generation Lithography, Pfeiffer was a physicist best known for his contributions to the development of electron beam lithography (often abbreviated as e-beam lithography),...

Charles F. Webb

Major contributor to System/390 and zSeries mainframe processors, Webb was named an IBM Fellow in 2003. He joined IBM in Poughkeepsie, N.Y., in 1983, and worked on processor performance analysis, processor design,...