Harry Lewis Nelson

Co-discoverer of the 27th Mersenne prime in 1979, which was at that time the largest known prime number, Nelson is also recognized as one of the world's foremost experts in writing optimized...

Christiane Floyd

The first female professor of computer science in Germany, Floyd achieved that distinction in 1978. An Austrian computer scientist, she is also recognized as a pioneer of evolutionary participatory software design, an...

John Ambrose Fleming

Inventor of the first thermionic valve or vacuum tube, Fleming transformed the foundations of modern electronics. After leaving the University of Nottingham in 1882, Fleming took up the post of "Electrician" to...

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...

Luba Cherbakov

Co-inventor and chief evangelist behind Service-Oriented Modeling and Architecture (SOMA), the industry's first SOA modeling method, Cherbakov is also a 2012 IBM Fellow — the 13th woman (and among only seventeen women)...

Jules I. Schwartz

Author of JOVIAL, the first computer software designed for use by the military, Schwartz composed this high-order programming language in 1959 for use in the electronics of military aircraft. Born in Philadelphia, PA,...

Victor Saul Miller

Co-inventor of Elliptic Curve Cryptography (ECC), Miller is an American mathematician at the Center for Communications Research (CCR) of the Institute for Defense Analyses in Princeton, New Jersey, US. He received his...

Reynold (Ray) B. Johnson

Developer of the first manufactured hard disk drive, Johnson began his career as a teacher after graduating from the University of Minnesota in 1929, and invented an electronic test scoring machine, for...

William (Will) Crowther

Co-creator of Colossal Cave Adventure, a seminal computer game that created the text adventure genre, Crowther is also recognized for an earlier technical achievement: his implementation of a distributed distance vector routing...

Paul G. Miller

Responsible for all computer systems at Control Data Corporation (CDC) and for the technical direction of computer and memory development programs, Miller served as Vice President and Group General Manager of CDC's...

Edward Rolf Tufte

Noted for his writings on information design and statistics, Tufte is an expert in the presentation of informational graphics such as charts and diagrams, and a fellow of the American Statistical Association....

Erwin Tomash

Early pioneer of computer equipment peripherals and co-developer of the ERA 1103 (UNIVAC Scientific), Tomash was born and raised in St. Paul, Minnesota, and graduated from the University of Minnesota with an...

Cristina Videira Lopes

Founder of the group that developed Aspect-Oriented Programming (AOP) and starter of aspectj.org, Lopes has served as an Associate Professor of Computer Science at University of California, Irvine. She received her B.S....

Carl Georg Lange Barth

Improver and popularizer of the industrial use of compound slide rules in scientific management, Barth was a Norwegian-American mathematician and mechanical engineer. He was born in Christiania, Norway, and graduated from the...

Jack van Kinsbergen

From the Petworth neighborhood of Washington D.C., he graduated in 1959 from University of Maryland with a degree in Electrical Engineering. He began working at Philco in Philadelphia in the spring of...

Raymond (Ray) Kurzweil

Inventor and developer of Optical Character Recognition (OCR), Text-To-Speech Synthesis, Speech Recognition technology, and electronic keyboard instruments, Kurzweil is an American author, inventor, and futurist. He grew up in the New York...

James (Jim) A. Brown

Inventor of the APL2 program product, Brown is one of the computing world's leading authorities on array technology. He spent nearly 30 years at the center of IBM's array technology efforts, serving...

Semen Nikolaevich Korsakov

Noted homeopath and early information technology inventor, Korsakov took part in the Napoleonic Wars with the Russian Army from 1812–1814. He later served as an official in the statistics department of the...

David E. Liddle

Leader of the development of the groundbreaking Xerox Star computer system, Liddle is credited with establishing the precedent-setting design for graphical user interfaces. He arrived at Xerox PARC in time to help with...

Paul J. Severino

Designer of interface boards for the PDP-11 at Digital Equipment Corporation, Severino began his career there after receiving his B.S.E.E. in Electrical Engineering from Rensselaer Polytechnic Institute in 1969, subsequently serving as...