Maurice Karnaugh

Developer of the Karnaugh map, also known as the K-map, Karnaugh created a method to simplify boolean algebra expressions that was fundamental in the development of digital electronics and is provided for...

Amarnath Gupta

Creator of the first domain knowledge-based mediation for scientific databases — a patented achievement — Gupta is also a pioneer in applying the latest information systems research in biomedicine, and has advanced...

James (Jim) A. Kahle

Key designer for the RIOS processor that launched the RS/6000 family of workstations and servers, Kahle has also served as Chief Architect and Director of Technology at the Center for Cell Technology...

Friedrich Ludwig Bauer

First to propose the widely used stack method of expression evaluation, Bauer patented the pushdown stack in 1957, a contribution that proved foundational to modern computing. He contributed to the definition of...

Léon Bollée

Inventor of the first calculating machine, Bollée began work in 1887 on three calculating machines: the Direct Multiplier, the Calculating Board, and the Arithmographe. Bollée's Multiplier was the second successful direct-multiplying calculator...

Thomas John Watson, Sr.

Former CEO of IBM who oversaw the company's growth into an international force from 1914 to 1956, Watson developed IBM's renowned management style and corporate culture, and turned the company into one...

Walden (Wally) C. Rhines

Supervisor of the development of Texas Instruments' first speech synthesis devices, used in the iconic "Speak & Spell" toy, Rhines is also co-inventor of the GaN blue-violet light emitting diode, now important...

William Hugh Murray

Recognized as a founder of the systems audit field and a pioneer of computer security, Murray joined IBM Research as a programmer in 1956, where he worked on such iconic systems as...

Leonard Kleinrock

Known as a "Father of the Internet," Kleinrock is an American engineer and computer scientist who made several important contributions to the field of computer networking, in particular to the theoretical side...

H. Berry Cash

Co-founder of Mostek Corporation, which was instrumental in founding the DRAM market, Cash has had over 35 years of experience building successful businesses in the technology industry. He is one of the...

Charles Sanders Peirce

As early as 1886, Peirce saw that logical operations could be carried out by electrical switching circuits, the same idea that was used decades later to produce digital computers. An American philosopher,...

Eric S. Yuan

Founder and CEO of Zoom Video Communications, Yuan is a Chinese-American billionaire businessman who owns approximately 22% of the company. After earning his master's degree, Yuan lived in Beijing and attended a...

Isaac L Auerbach

Founder of Auerbach Associates and publisher of the influential Auerbach Reports on computer issues, Auerbach was a leading figure in the information processing industry. Isaac Auerbach earned a BS at Drexel University in...

Martin Campbell-Kelly

Noted IT historian and professor of computer science, Campbell-Kelly has specialized in the history of computing at the University of Warwick. Campbell-Kelly has served as a full professor in the Department of Computer...

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...

Edward Albert Feigenbaum

Known as the "father of expert systems," Feigenbaum is a computer scientist working in the field of artificial intelligence. Feigenbaum completed his undergraduate degree, and a Ph.D., at Carnegie Institute of Technology (now...

Mina Spiegel Rees

Pioneer of federally funded computer research and development and the first woman president of the American Association for the Advancement of Science (AAAS), Rees transformed the landscape of postwar American science. She was...

David R. Karger

Developer of the fastest minimum spanning tree algorithm to date, Karger is also known for Karger's algorithm, a Monte Carlo method to compute the minimum cut of a connected graph. His work...

John C. Dvorak

Technology columnist and broadcaster, Dvorak has covered the computing industry since the 1980s, when he became a mainstay of a variety of magazines. Dvorak has also served as Vice-President of Mevio (formerly PodShow)...

Yngvar Lundh

Developer of a new form of distributed, digital PBXs called hub technology, Lundh was a Norwegian engineer and scientist also known for bringing the Internet to Norway and developing some of the...