John W. Brackett

Co-founder of SofTech, a Boston-based software company, Brackett managed the company's software development projects for large commercial and government clients as Vice President of Software Production. Brackett received his B.S. degree from MIT...

Geoffrey William Arnold Dummer

The first person to conceptualize and build a prototype of the integrated circuit, commonly called the microchip, Dummer made this pioneering contribution in the late 1940s and early 1950s. He passed the...

Albert S. Hoagland

Early designer of random access disk storage, Hoagland played a key role in magnetic head design and recording for the Random Access Method of Accounting and Control (RAMAC) disk drive, the first...

Jeffery D. Stein

Founder and Chairman of the IT History Society, Stein has also served as the Founder and CEO of On-Line Business Systems and Convene.com, and has been active on many boards and non-profits.

Grady Booch

Developer of the Unified Modeling Language, Booch got his first programming experience on a Fortran IV while in high school. Graduating from military academy in 1977, he worked as a software project...

Chintay Shih

A major player in the collective effort to build Taiwan's semiconductor industry from the ground up, Shih led the process technology team for the Industrial Technology Research Institute's (ITRI) RCA project that...

Frederick Phillips Brooks, Jr.

Manager of the development of OS/360, Brooks was also known for writing candidly about the process in his seminal book *The Mythical Man-Month*. "It is a very humbling experience to make a...

Alan B. Fowler

Researcher of statistical fluctuations in small semiconductor systems, Fowler is an American physicist born in Denver, Colorado. He graduated from Rensselaer Polytechnic Institute with a B.S. degree in 1951, an M.S. degree...

Philip (Phil) R. Zimmermann, Jr.

The creator of Pretty Good Privacy (PGP), the most widely used email encryption software in the world, Zimmermann is also known for his work in VoIP encryption protocols, notably ZRTP and Zfone....

Herbert Freeman

Contributor to the field of automatic label placement, computer graphics, and machine vision, Freeman published numerous works on geometric patterns from '61 and co-founded, with Azriel Rosenfeld of the University of Maryland,...

John Impagliazzo

Noted IT historian, author, and Professor Emeritus of computing sciences at Hofstra University, Impagliazzo has supported educational computing activities for decades. His accomplishments include contributing to model computing and engineering curricula, publishing...

Alberto Sangiovanni-Vincentelli

Co-founder of Cadence Design Systems and Synopsys—the two largest companies in Electronic Design Automation (EDA)—Sangiovanni-Vincentelli is a world-renowned authority on integrated circuit and system design who has been instrumental in bringing EDA...

Claude Elwood Shannon

Developer of Information Theory, the basis for the design of communication systems and networks, Shannon also noted the importance of Boolean theory for the design of logic circuits whilst still a student...

Robert (Bob) J. Frankenberg

Leader of the revival of HP's personal computer unit, Frankenberg is an American computer engineer and business executive. He spent much of his career at Hewlett-Packard (HP), starting there in 1969. While...

Donna Dubinsky

A pioneer in the development of personal digital assistants (PDAs), Dubinsky served as CEO of Palm, Inc. and co-founded Handspring with Jeff Hawkins. She went on to co-found the brain research company...

Dabbala (Rej) Rajagopal Reddy

Pioneer of large-scale artificial intelligence systems, Reddy is recognized for demonstrating the practical importance and potential commercial impact of AI technology. One of the early pioneers in Computer Science and Artificial Intelligence,...

Leslie Berlin

Author and noted IT historian, Berlin has served as Project Historian for the Silicon Valley Archives at Stanford University. She wrote *The Man Behind the Microchip: Robert Noyce and the Invention of...

Ralph C. Merkle

Co-inventor of public key cryptography, Merkle is a researcher who also works as a speaker on molecular nanotechnology and cryonics. He appeared as a character in the science fiction novel *The Diamond...

David F. Redmiles

Author of over 100 research publications integrating the areas of software engineering, human-computer interaction, and computer-supported cooperative work, Redmiles has served as a Professor in the Department of Informatics at the University...

Neil James Alexander Sloane

Contributor to the fields of combinatorics, error-correction coding, and sphere packing, Sloane's research has ranged far and wide, including coding theory, sphere packing, lattices and quadratic forms, packing lines, and planes, spherical...