Konrad Zuse

German engineer who, completely independently of British and American computing efforts, built the Z3 (1941), the first working program-controlled general-purpose digital computer. The Z3, destroyed in the bombing of Berlin, never got...

Percy Edwin Ludgate

Designer of an Analytical Engine, Ludgate helped advance calculators by expanding Charles Babbage's design for the first programmable computer. An Irish accountant working alone in Dublin, he was unaware of Charles Babbage's...

Robert Marco Tomasulo

Inventor of the Tomasulo algorithm, a computer architecture hardware algorithm for dynamic scheduling of instructions that allows out-of-order execution, Tomasulo was the recipient of the 1997 Eckert–Mauchly Award, "for the ingenious Tomasulo...

Richard (Dick) Chao-Fan Chu

A prolific technical innovator in cooling technology, Chu's patents and publications were recognized outside of IBM as industry standards for the cooling of electronic equipment. Born in Beijing, China, he was the son...

Heinrich Rohrer

Co-designer of the scanning tunneling microscope (STM), Rohrer shared half of the 1986 Nobel Prize in Physics with Gerd Binnig for this invention; the other half of the Prize was awarded to...

Robert (Bob) Stanley Barton

Chief architect of the Burroughs B5000, Barton was also a co-inventor of dataflow. His thinking was broadly influential. As one example, Barton influenced the systems and higher-level computer language thinking of Alan Kay,...

Judith (Judy) L. Estrin

Leader of the team that developed one of the first commercial local area network systems, Z-net, Estrin is an American business executive and technology entrepreneur who co-founded seven companies with Bill Carrico. She...

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...

John Maurice McClean Pinkerton

Co-designer of England's first business computer, the LEO computer, Pinkerton was a pioneering British computer designer who worked alongside David Caminer to produce the machine for J. Lyons and Co in 1951....

Emanuel Goldberg

Contributor of a wide range of theoretic and practical advances relating to light and media and inventor of a very early search engine, Goldberg was also the founding head of Zeiss Ikon,...

Daniel Kottke

The engineer who assembled and tested the first Apple I computer with fellow computer designer and Apple co-founder Steve Wozniak, Kottke is one of the earliest employees of Apple Inc., with official...

Allan Marquand

Builder of a mechanical logical machine that is still extant, Marquand is described as having created "…mills into which the premises are fed and which turn out the conclusions by the revolution...

R. Narasimhan

Often referred to as the Bhisma of Computer Science and Technology in India, Narasimhan made significant contributions to the development of computer science education, research, and technology in India in the early...

Barry (Pak-Lee) Lam

Founder and Chairman of Quanta Computer, the leading laptop producer worldwide, Lam is also a major patron of the arts and a leading philanthropist in the area of culture and education. In...

Steven R. Hofstein

Co-producer of the first working MOS integrated circuit, Hofstein is a well-known scientist with over 40 patents whose inventions have been chronicled by publications that include the New York Times, Newsweek, Business...

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...

Joel S. Emer

Pioneer in the quantitative approach to computer architecture and leader of the development of the Asim simulator, Emer has made significant contributions to computer performance analysis techniques and microprocessor architecture. He has...

Martin (Marty) Cooper

Lead inventor of the "radio telephone system" and father of the cell phone, Cooper is a pioneer and visionary in the wireless communications industry. With eleven patents in the field, he is...

Edward J. Seminaro

Leader of the team responsible for establishing and executing the system design of IBM's pSeries and iSeries UNIX product family, Seminaro has served as the Chief Hardware System Architect for IBM's Power...

Jeffrey Chuan Chu

A core member of the engineering team that designed the first electronic computer, ENIAC, in 1946, Chu went on to become a leading figure in computing and a tireless advocate for modernizing...