Gene Myron Amdahl

Team leader in building IBM mainframes and founder of Amdahl Corporation, Amdahl was chiefly known for his work on mainframe computers at IBM and later his own companies. He was perhaps best...

Nick D'Aloisio

Designer of Summly — a program aimed to solve perceived problems with the way news articles are presented on smartphones — D'Aloisio is a British-Australian entrepreneur, computer programmer, and designer who created...

Niels Ivar Bech

Leader of the group that formed Regnecentralen, the first Danish computer company, Bech shaped the course of Danish computing history. He led a group that started as an advisory board formed by...

Calvin Northrup Mooers

Known for his work in information retrieval and for the programming language TRAC, Mooers was a native of Minneapolis, Minnesota. He attended the University of Minnesota and received a bachelor's degree in...

Ed Colligan

Leader of the marketing campaign that launched the Palm family of PDAs and smartphones, Colligan later served as president and CEO of both Handspring and Palm, Inc. He also worked at the private...

Stephen (Steve) Gary Wozniak

Co-founder of Apple Computer, Inc. with Steve Jobs and Ronald Wayne, Wozniak is an American computer engineer whose inventions and machines are credited with contributing significantly to the personal computer revolution of...

James L. Fergason

Inventor of an improved liquid crystal display, Fergason made his seminal discovery of the twisted nematic cell — a low-power, field-operated LC display — in 1969 while at the Liquid Crystal Institute...

Harald Tveit Alvestrand

Author of several important RFCs, Alvestrand has served on the ICANN Board and as a member of the Unicode Board of Directors. He co-chaired the IETF EAI and USEFOR Working Groups.

Monty M. Denneau

Pioneer in high-performance computer design, Denneau received the 2002 Seymour Cray Computer Engineering Award for "ingenious and sustained contributions to designs and implementations at the frontier of high performance computing leading to...

Max Palevsky

Founder of Scientific Data Systems, Palevsky was a computer technology pioneer whose company became one of the most successful computer companies of the 1960s. Max Palevsky was born in Chicago, Illinois, in 1924....

Jaan Tallinn

Co-developer of Skype and FastTrack/Kazaa, Tallinn holds the world's record for the largest number of software downloads at almost 500 million. An Estonian programmer, he is widely celebrated for writing the peer-to-peer...

Lawrence (Larry) H. Landweber

Creator of THEORYNET, an electronic mail system serving over 100 researchers in computer science, Landweber is also best known for founding the Computer Science Network (CSNET) project in 1979, which later developed...

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...

Gustav Tauschek

Developer of numerous improvements for punched card-based calculating machines, Tauschek was an Austrian pioneer of information technology who worked in this field from 1922 to 1945. During the years 1926–1930 he worked...

Stanley Gill

Co-inventor of the first computer subroutine, Gill was a British computer scientist who shared that achievement with Maurice Wilkes and David Wheeler. Gill was born in Worthing, West Sussex, England, educated at...

Gerrit (Gerry) Anne Blaauw

One of the principal designers of the IBM System/360 line of computers, Blaauw worked alongside Fred Brooks, Gene Amdahl, and others on this landmark project. In 1947, he won an exclusive scholarship funded...

David R. Karger

Developer of the fastest minimum spanning tree algorithm to date, Karger is also known for Karger's algorithm, a Monte Carlo method to compute the minimum cut of a connected graph. His work...

Arnold T. Nordsieck

Builder of the "differential analyzer"—an analog computer capable of solving complex equations and drawing curves—Nordsieck constructed the device in the 1950s out of $700-worth of war surplus materials. Clones subsequently became the...

Julian Bigelow

Builder of one of the first true stored-program digital computers, Bigelow transformed the course of computing history. He obtained a master's degree at the Massachusetts Institute of Technology, studying electrical engineering and...

Anthony Brian Cleaver

Member of the team that developed one of the first computerized cash machines in Essex, England, Cleaver began his career as a Systems Engineer with IBM, UK Ltd. in 1962, holding many...