Irene Greif

Inventor of the Version Manager — consistently designated by analysts as the most significant group-enabling feature in spreadsheets — Greif is an American computer scientist and a founder of the field of...

Christopher Curry

Co-founder of Acorn Computers, Curry has played a significant role in the early development of personal computing in Britain. In April 1966, Curry joined Sinclair Radionics, a company founded by Clive Sinclair in...

Reid Hoffman

Founder of LinkedIn, the world's largest professional network, Hoffman is sometimes called the "Oracle of Silicon Valley" for his track record of identifying transformative technology trends early. Hoffman was born on August 5,...

John (J. B.) Battiscombe Gunn

Inventor of the Gunn diode, the first inexpensive source of microwave power that did not require vacuum tubes, Gunn discovered the Gunn Effect while working at IBM in 1962. Gunn diodes have...

Katherine L. Morse

Developer of a compiler and operating system kernel for a neural network subprocessor, Morse has worked continually in computing since taking her first paid programming job at age 17, the summer after...

Martin Wiberg

Inventor of a machine that could print logarithmic tables, Wiberg is known as a computer pioneer for his 1875 invention of a device the size of a sewing machine. The tables were...

Raymond (Ray) John Noorda

Founder and former CEO of Novell, Noorda was a U.S. computer businessman who served in that role between 1982 and 1994. He also served as chairman of Novell until he was replaced...

Danny (Dan) Spracklen

Co-programmer of the Chafitz ARB Sargon 2.5, the first commercial dedicated chess computer with an Auto Response Board (ARB), Spracklen is an American computer scientist and microcomputer chess pioneer. Born in Decatur,...

Evgenii Mikhailovich Landis

Co-inventor of the AVL tree data structure, Landis worked with Georgy Adelson-Velsky to produce one of the most influential innovations in computer science. In 1946, Aleksandr Kronrod and Landis reinvented Sard's Lemma, which...

Michael Faraday

A father of electromagnetism and electronics, Faraday studied the magnetic field around a conductor carrying a DC electric current. While conducting these studies, he established the basis for the electromagnetic field concept...

August-Wilhelm Scheer

Developer of the ARIS framework for business process description and modeling, Scheer is recognized as a foundational figure in business informatics. He has served as Professor Emeritus at the University of Saarland,...

Bettina Speckmann

Speckmann headed the Applied Geometric Algorithms group at Eindhoven University of Technology and was a professor in the Department of Mathematics and Computer Science in Eindhoven, Netherlands. Her research focused on computational...

Brendan Eich

Creator of the JavaScript scripting language, Eich is a computer programmer and chief technology officer of Mozilla Corporation. He worked with MicroUnity Systems Engineering writing microkernel and DSP code, and doing the...

Leo Fantl

One of the first to join the LEO computing team as a programmer, Fantl was responsible for the planning and programming of some of the earliest business data processing applications.

Solomon Lefschetz

Developer of the Lefschetz fixed point theorem, now a basic result of topology, Lefschetz did fundamental work on algebraic topology, its applications to algebraic geometry, and the theory of non-linear ordinary differential...

Bonnie Dunbar

A veteran of five Space Shuttle missions flown between 1985 and 1998, Dunbar is an American engineer and retired NASA astronaut whose flights included two dockings with the Mir space station. Before...

David Yang

Founder and chairman of ABBYY, Yang was born in 1968 in Yerevan, Armenian SSR, to a Chinese father and Armenian mother, both physicists. He spent his first 17 years in Armenia before...

Roger Michael Needham

Head of Cambridge University Computing Laboratory and designer of influential cryptography and security systems, Needham was a major figure in computer science. A Mathematics and Philosophy graduate from Cambridge University in the...

Joseph Henry

Inventor of the electromagnetic relay that formed the basis of the electrical telegraph, Henry was also the first secretary of the Smithsonian Institution and a founding member of the National Institute for...

Ravi Arimilli

Chief Architect largely responsible for the development of the IBM POWER5, Arimilli has been named an IBM Fellow, the company's highest technical honor, in May 2001. One of the most prolific inventors...