Lionardo di ser Piero da Vinci

Among those who designed a calculator, da Vinci stands as one of history's most remarkable minds — an Italian polymath regarded as the epitome of the "Renaissance Man", displaying skills in numerous...

Branimir Makanec

A pioneer of computer popularization in Croatia, Makanec established the Multimedia Center of the Zagreb University Referral Center (MMC). The MMC was an open-type computer center intended to be used for non-numerical...

Werner Michael Blumenthal

Chairman and CEO of Unisys, the American global information technology company, Blumenthal is recognized as a leading figure in both the technology industry and public service. He was born in Oranienburg, Brandenburg, Germany,...

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...

Michael (Mike) F. Cowlishaw

Designer and implementer of the IBM REXX programming language, Cowlishaw is best known as a programmer and writer. He joined IBM in 1974 as an electronic engineer and retired from IBM in...

Grigore Constantin Moisil

Considered the father of computer science in Romania, Moisil made foundational contributions to automata theory, many-valued algebras, and mathematical logic. Grigore Moisil attended primary school in Bucharest, then high school in Vaslui and...

Burton (Burt) Grad

Founder of the Software History Center, Grad has been working on computer software since 1954, when he wrote the first production and inventory control programs for the General Electric Company's installation of...

Francis Bacon

Considered the father of the scientific method and of empiricism, Bacon transformed natural philosophy and the theory of knowledge. He served both as Attorney General and Lord Chancellor of England. Although his...

Eric Horvitz

Recognized for playing a significant role in establishing the credibility of artificial intelligence, Horvitz has also helped establish the link between artificial intelligence and decision science. Horvitz coined the concept of bounded...

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...

Edwin Ronald Nixon

One of the most powerful influences in shaping British industry's response to the technological revolution, Nixon headed IBM's operations in the UK for an astonishing 25-year span from the 1960s to the...

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...

Leonard J. Shustek

Founder of the Computer History Museum, Shustek co-founded Nestar Systems Inc., an early producer of networked client-server computer systems, in 1979. In 1986, Dr. Shustek co-founded Network General Corporation, a manufacturer of...

Hans Peter Anvin

Distinguished computer programmer, Anvin is a Swedish programmer who has distinguished himself through contributions to Free and open source software projects. Anvin originated SYSLINUX, klibc, Linux Assigned Names and Numbers Authority (LANANA),...

Yakov Rekhter

One of the leading architects and a major software developer of the NSFNET Backbone Phase II, Rekhter also co-designed the Border Gateway Protocol (BGP), the core routing protocol of the Internet. Rekhter joined...

John C. Freeman

Co-developer of numerical models used in making the first successful computer weather forecasts, Freeman is recognized as a pioneer whose work made today's computer models for weather prediction possible. A native Houstonian and...

Milo S. Medin

Helping to deliver the first large-scale residential broadband access service in partnership with major cable operators, Medin has been part of the Internet development community for more than 25 years. He has...

Arnt Eliassen

A pioneer in the use of numerical analysis and computers for weather forecasting, Eliassen was a Norwegian meteorologist who conducted early pioneer work at the Institute for Advanced Study in Princeton, New...

Harry Sello

Responsible for the transfer of silicon transistor technology to Societa Generale Semiconduttore in Italy, negotiating cultural and industrial boundaries, Sello is an American chemist born in Russia whose family emigrated to the...

Jeffrey (Jeff) Scott Raikes

Senior executive at Microsoft and CEO of the Bill & Melinda Gates Foundation, Raikes is credited with driving much of Microsoft's early work in business applications. He joined Microsoft in 1981 as...