John Vittal

Developer of MSG, the first modern email program, Vittal is recognized as the person responsible for transforming the old email system into the highly user-friendly tool of today. A computer programmer who...

Carver Andress Mead

Spearheaded of tools and techniques for modern integrated circuit design, Mead is a prominent U.S. computer scientist. Born in Bakersfield, California, he has held the position of Gordon and Betty Moore Professor...

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...

László Kalmár

Pioneer in mathematical logic and theoretical computer science, Kalmár defined what are known as elementary functions, number-theoretic functions (i.e. those based on the natural numbers) built up from the notions of composition...

Frank Marion Wanlass

Inventor of the complementary metal oxide semiconductor (CMOS), the technology employed in most modern microchips, Wanlass transformed electronics with a discovery that now touches nearly every digital device. A native of Utah, Wanlass...

Lionel Kattner

Contributor to the development of the first planar integrated circuit and co-founder of Signetics Corporation, Kattner is recognized as a key figure in early semiconductor history. A graduate of Southwestern University in...

Vipin Kumar

Developer of the isoefficiency metric for evaluating the scalability of parallel algorithms, Kumar holds the William Norris Endowed Chair in the Department of Computer Science and Engineering at the University of Minnesota,...

Micael Moritz

Noted Silicon Valley investor, Moritz has been a British-American venture capitalist with Sequoia Capital in Menlo Park, California, a former member of the board of directors of Google, and a philanthropist and...

Paranandi V. S. Rao

Pioneer in speech recognition research, Rao was an active researcher in Computer Science from 1955 onward and made many contributions to the area of computer synthesis and recognition of human speech. Professor Rao...

Megan Smith

Named in 2014 as the third U.S. Chief Technology Officer and the first woman to hold that position, Smith served as Assistant to the President under Barack Obama until January 2017, succeeding...

Bashir Iskandarovich Rameyev

Holder of the first officially registered USSR patent in the field of electronic computers, Rameyev was a Soviet inventor and scientist and one of the founders of Soviet computing. He was the...

Hemantha Kumar Wickramasinghe

Leader of the team that developed atomic force microscopes (AFMs) into fully hardened instruments usable both within IBM and beyond, Wickramasinghe is a distinguished pioneer in the invention and practical uses of...

Jack Howlett

Director of the Atlas Computer Laboratory, Howlett led a laboratory created to provide a service to researchers across the United Kingdom with a need for large-scale computing power, and played a key...

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...

Donald Lester Bitzer

Co-inventor of the Plasma Display and sometimes called the "father of PLATO" (Programmed Logic for Automatic Teaching Operations), the first generalized computer-assisted instruction system, Bitzer was an American electrical engineer and computer...

Robert Mano Fano

Known principally for his work in information theory and the invention of Shannon-Fano coding, Fano was a computer scientist and professor emeritus of Electrical Engineering and Computer Science at Massachusetts Institute of...

Lubomyr T. Romankiw

Co-inventor of a technique that produced the first practical and manufacturable thin film magnetic head, Romankiw helped increase the density of data stored on magnetic disks and dramatically reduced the cost of...

Brian Wilson Kernighan

Co-author of the first book on the C programming language and programmer of well-known Unix utilities such as ditroff and cron, Kernighan worked at Bell Labs alongside Unix creators Ken Thompson and...

James (Jimmy) Treybig

Founder of Tandem Computers, a pioneering Silicon Valley manufacturer of fault-tolerant computer systems, Treybig built a company that served the growing number of transaction processing customers who used them for ATMs, banks,...

Sophia Bekele

Founder and CEO of CBS International, a private California-based firm engaged in technology transfer to emerging economies, Bekele is a business executive and writer. She founded SbCommunications Network - SbCNet, in Ethiopia. In...