Kenneth (Ken) R. Jacobs

Known as "Dr. DBA" to thousands of Oracle database administrators, Jacobs has been a prominent spokesperson for Oracle and an advocate inside the company for customers' interests. Jacobs joined Oracle in July 1981...

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...

René Descartes

Credited as the father of analytical geometry, Descartes built the bridge between algebra and geometry that proved crucial to the discovery of infinitesimal calculus and analysis. The Cartesian coordinate system—allowing algebraic equations...

Suhas S. Patil

Pioneer in applying computer architecture knowledge to VLSI design, Patil founded Cirrus Logic, a fabless semiconductor company. Over the years, his work covered computer architecture, parallel processing computers, mathematics for computer science,...

Clifford Edward Berry

Holder of 19 patents in mass spectrometry and 11 in vacuum and electronics, Berry was a pioneer in radio and electrical engineering. Clifford Berry received his M.S. in Physics in 1941. After their...

Dabbala (Rej) Rajagopal Reddy

Pioneer of large-scale artificial intelligence systems, Reddy is recognized for demonstrating the practical importance and potential commercial impact of AI technology. One of the early pioneers in Computer Science and Artificial Intelligence,...

Timothy (Tim) D. Cook

CEO of Apple, Cook has led the company since succeeding Steve Jobs on August 24, 2011. He joined Apple in March 1998 as SVP of Worldwide Operations and also served as EVP...

Brian Pollard

A member of the team whose research developed the Sirius, which in 1959 claimed to be the smallest and most economically priced computer in the European market, Pollard was a key figure...

Daniel Broido

Inventor of Marksensing and document reading devices, Broido worked for British Tabulating Machine Company Limited (BTM), and his inventions and patents were transferred to them. He became Senior Development Engineer on optical...

Biz Stone

Co-founder of Twitter, Stone also served as its Creative Director and helped to create and launch Xanga, Blogger, Odeo, and Obvious. Stone published two books about blogging, including *Blogging: Genius Strategies for...

Fredrik Rosing Bull

Known for his works on improved punched card machines, Bull was an information technology pioneer. In 1907 he finished his studies in civil engineering at the Technical School of Kristiania (Kristiania Tekniske...

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...

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...

Robert Jay Creasy

Project leader of the first full virtualization hypervisor, the IBM CP-40, Creasy later saw his work develop into IBM's highly successful line of mainframe VM operating systems — a family of IBM...

Arthur Walter Burks

Contributor to the design of the ENIAC, the first general-purpose electronic digital computer, Burks served as a senior engineer on the project in the 1940s. Decades later, Burks and his wife Alice...

Phill Gross

Leader of the development of MCI Corporation's first national network, Gross co-founded the Internet Engineering Task Force (IETF) and was instrumental in defining and shaping the way in which the IETF standards...

Michael T. Goodrich

Pioneer and research leader on efficient parallel and distributed solutions, Goodrich has served as a Chancellor's Professor and chair of the Department of Computer Science of the Donald Bren School of Information...

Evan Thomas Spiegel

Co-founder and CEO of the mobile application Snapchat, Spiegel launched the platform alongside Bobby Murphy and Reggie Brown while they were all students at Stanford University. Snapchat started as a project for...

Diane B. Greene

Co-founder and former CEO of VMware, Greene led the company through an IPO and to a $2B run-rate. Born in Rochester, New York, she was raised in Annapolis, Md. She received her...

Dan Fylstra

Founding Associate Editor of BYTE Magazine and co-developer and marketer of VisiCalc, the original spreadsheet program, Fylstra has been a pioneer of the computer industry since the 1970s. In 1978 he co-founded...