Chandu Visweswariah

Pioneer in circuit analysis and optimization and inventor of statistical timing, Visweswariah developed techniques used in every IBM chip design—including formal circuit tuning and gate-level timing sign-off. These fundamental contributions improved performance,...

John Couch

One of the primary software architecture designers of the HP AMIGO/300 software environment — a precursor to the Xerox Alto and the Macintosh — Couch also served as Apple's first Vice President...

Don Hammond

Developer of time standards for space navigation, high-speed computer printers, and medical ultrasound technology, Hammond built a 50-year career on these and other significant contributions. While at HP from 1959 to 1987, Hammond...

Murray Campbell

Member of the teams that developed chess machines HiTech and Deep Blue, Campbell is a Canadian computer scientist who has served as a Senior Manager in the Business Analytics and Mathematical Sciences...

Michael Hatzakis

Co-developer of electron beam lithography, PMMA resist, and the "lift off" process, Hatzakis has been a researcher with IBM Research at Yorktown Heights, New York since 1961, serving as a manager of...

John P. Morgridge

Former Chief Executive Officer and Chairman of the Board of Cisco Systems, Morgridge is an American businessman from Wauwatosa, Wisconsin who attended Wauwatosa East High School. He received his Bachelor's Degree in...

John Logie Baird

Inventor of the first publicly demonstrated television system, Baird was also credited with creating the world's first fully electronic colour television tube. Although Baird's electromechanical system was eventually displaced by purely electronic...

Ann S. Bowers

Ann S. Bowers was a technology executive and philanthropist best known as Intel’s first director of personnel, Apple’s first vice president of human resources, and the benefactor whose gift established Cornell’s Ann...

Gerard (Gerhard) Anton Salton

Developer of the now widely used Vector Space Model for Information Retrieval, Salton was perhaps the leading computer scientist working in the field of information retrieval during his time. Born in Nuremberg,...

Lubomir Georgiev Iliev

Pioneer of computing in Bulgaria and of abstract mathematics, Iliev was born in Samokov. He graduated from Sofia University in 1908, became a professor in 1925, and earned a PhD in Mathematical...

Sergio Verdu

Known for pioneering the field of multiuser detection, Verdú has served as the Eugene Higgins Professor of Electrical Engineering at Princeton University, where he has taught and conducted research on Information Theory...

Clifford Hugh Dowker

Developer of the Dowker notation, a simple way of describing knots suitable for computers, Dowker was a topologist also known for his contributions in point-set topology, category theory, sheaf theory, and knot...

Emerson W. Pugh

Leader of IBM's development of a thin magnetic film memory array used in the top-performance IBM System/360 computer, Pugh also led research and development in magnetic bubbles and other memory technologies, and...

Laszlo (Les) A. Belady

Author of the most-cited paper in software over two decades, Belady's 1966 article on Virtual Memory Systems set a landmark acknowledged by the Citation Index Classic. A design engineer and veteran senior...

Giovanni Caselli

Inventor of the pantelegraph (a.k.a. Universal Telegraph or "all-purpose telegraph"), the predecessor of the modern fax machine, Caselli put the world's first practical operating facsimile machine ("fax") system into use. Pantèlègraph is...

Robert C. Pike

A member of the Unix team at Bell Labs, Pike was involved in the creation of the Plan 9 from Bell Labs and Inferno operating systems, as well as the Limbo programming...

Aaron Marcus

Pioneer in computer-based design, Marcus founded Aaron Marcus and Associates, Inc. (AM+A) in 1982, one of the first independent, computer-based design firms in the world. An American user-interface and information-visualization designer, as well...

Ruchi Sanghvi

The first female engineer hired by Facebook, Sanghvi later founded her own company, Cove, in 2011, alongside two co-founders. Dropbox acquired Cove in 2012, and Sanghvi joined Dropbox as VP of Operations,...

Kristen Nygaard

Co-inventor of SIMULA and pioneer of object-oriented programming, Nygaard was a computer scientist noted for his social agenda and work with the Norwegian Trade Unions. He was a systems developer and a...

Bruce Eckel

Author of "Thinking in Java" and "Thinking in C++", Eckel has written numerous books and articles about computer programming. He has also given frequent lectures and seminars for computer programmers. His best...