Stephen Warshall

Developer of the transitive closure algorithm known as Warshall's algorithm, Warshall made foundational contributions to graph analysis for finding shortest paths in a weighted graph. Born in New York City, Warshall went to...

Edson Hendricks

Developer of RSCS (later known as VNET), fundamental software that powered the world's largest network (or network of networks) prior to the Internet, Hendricks is an IBM computer scientist whose work directly...

Hector de Jesus Ruiz

Former CEO and executive chairman of Advanced Micro Devices, Inc. (AMD), Ruiz led the semiconductor company through a period of major transformation. Hector de Jesus Ruiz was born in Piedras Negras, Mexico, a...

Andrew James Viterbi

Inventor of the Viterbi algorithm, used for decoding convolutionally encoded data and still widely used in cellular phones for error correcting codes, as well as for speech recognition, DNA analysis, and many...

Jef Raskin

Human-computer interface expert best known for starting the Macintosh project for Apple, Raskin first met Apple Computer's Steve Jobs and Steve Wozniak following the debut of their Apple II personal computer at...

Larry Cohn

Experienced in creating businesses focused on implementing Enterprise Resource Planning (ERP) systems, Cohn has spent over twenty-five years helping organizations integrate varied systems and enable seamless transactions and production. He holds a...

Mark E. Dean

Co-developer of the ISA systems bus that enables multiple devices such as modems and printers to be connected to personal computers, Dean is an American inventor and computer engineer whose work is...

Jean Amédée Hoerni

Developer of the planar process, the manufacturing process by which modern integrated circuits are built, Hoerni was a silicon transistor pioneer and a member of the Traitorous Eight. Hoerni was born in...

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...

Charles Simonyi

Overseer of Microsoft's flagship Office applications Word and Excel, Simonyi also directed development of Excel's predecessor Multiplan. In 1981, he applied directly to Bill Gates for a job at Microsoft. With Multiplan,...

Robert Endre Tarjan

Renowned for fundamental achievements in the design and analysis of algorithms and data structures, Tarjan is an American computer scientist. He discovered several important graph algorithms, including Tarjan's off-line least common ancestors...

William (Bill) Reeves

Pioneer and inventor of the first Motion Blur algorithm and methods to simulate particle motion in computer graphics, Reeves is also one of the founding employees of Pixar. After obtaining a Bachelor...

Jeffrey R Yost

Editor-in-Chief of IEEE Annals of the History of Computing, Yost has also served as Associate Director of the Charles Babbage Institute from 1998 onward. Yost authored The Computer Industry (Greenwood Press, 2005) and...

Kenneth (Ken) Levy

Founder and long-time CEO of KLA Instruments Corporation, whose leadership made KLA dominant in new market areas in the semiconductor manufacturing instrumentation field, Levy has been an entrepreneur and corporate executive associated...

Wen Tsing Chow

Inventor and fundamental patent holder of programmable read-only memory (PROM), Chow was a Chinese-born American missile guidance scientist and digital computer pioneer. He was born in Taiyuan, Shanxi Province, China, near the...

Doulgas Rayner Hartree

English mathematician and physicist, Hartree was most famous for the development of numerical analysis and its application to the Hartree-Fock equations of atomic physics and the construction of the meccano differential analyzer.

Andy Stanford-Clark

Developer of home automation using Twitter to notify users of necessary changes in the home allowing for substantial energy savings, Stanford-Clark is a computer engineer at the forefront of research into "pervasive...

Thomas (Tom) M. Whitney

Leader of the team that invented the HP-35, the world's first handheld scientific electronic calculator, Whitney was also an early employee of Apple Computer. Thomas (Tom) M. Whitney graduated from Aurelia High...

Matthew J. Szulik

Former Chairman of Red Hat, Szulik led several other technology companies, including Interleaf and MapInfo, for more than 20 years. He has also held the titles of chief executive officer and president...

Jonathan (Joe) Betts-LaCroix

Co-creator of the world's smallest Windows PC, Betts-LaCroix co-founded OQO Corporation, which the Guinness World Records credited with creating that device. He is also an American scientist and entrepreneur known for his...