Victor Mayer Amédée Mannheim

Inventor of the modern slide rule, Mannheim standardized the design that remained in common use until pocket calculators took over. After graduating from the École d'Application in Metz, Mannheim became an officer of...

William (Bill) V. Campbell

A Silicon Valley entrepreneur who mentored leaders at Apple, Intuit, and Google, Campbell was born and raised in Homestead, Pennsylvania, near Pittsburgh, son of a local school official. He attended Columbia University...

Paul Tseng

The first to establish the convergence of the affine scaling algorithm for linear programming in the presence of degeneracy, Tseng was recognized by his peers to be one of the leading optimization...

Thomas (Tom) M. Bradicich

Leader and prime mover behind IBM's xSeries architectures, Bradicich is a 2006 IBM Fellow—the highest honor a scientist, engineer, or programmer at IBM can achieve. He has served as Vice President of...

Jim Hall

Considered the "father" of the LaserJet printer, Hall managed development of HP's first laser printer, the 2680A. Hall grew up on a farm near Halifax, Virginia. Listening to the shortwave bands, he discovered...

Patrick Joseph McGovern

Founder of Computerworld and the International Data Group (IDG), McGovern built one of the world's largest technology media companies, with subsidiaries in technology publishing, research, event management, and venture capital. McGovern was born...

Michael James Lighthill

Pioneer in aeroacoustics and developer of television and communications satellites, Lighthill was a British applied mathematician known for his pioneering work in fluid dynamics. He worked at the National Physical Laboratory, Trinity...

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,...

Krishnendu (Krish) Chakrabarty

Pioneer researcher on the design automation and testing of complex chips with application to microfluidic biochips, Chakrabarty has served as a Professor of Electrical and Computer Engineering at Duke University in Durham,...

Donald F. Ferguson

Chief Architect for IBM's Software Group, Ferguson provided overall technical leadership for IBM WebSphere, Tivoli Software, IBM DB2, Rational Software, and Lotus Software products. He has served as Vice President and CTO...

Irwin Mark Jacobs

Pioneer of the OmniTRACS system, one of the world's most technologically advanced two-way mobile satellite communications and tracking systems, Jacobs is also co-founder and former Chairman of Qualcomm Incorporated, an American global...

Evan Williams

Co-founder of Twitter, Williams also founded several other Internet companies, including Pyra Labs (creator of weblog-authoring software Blogger), and has served as CEO of Twitter.

Tyrone Grandison

Leader of the IBM team that pioneered research in Relational Database Privacy, Grandison demonstrated that privacy protection was possible at the database level and that both security and privacy controls can exist...

Guglielmo Marconi

Known as the father of long distance radio transmission, Marconi was an Italian inventor celebrated for his development of Marconi's law and a radio telegraph system. Although he is often accredited as...

Randy Cartwright

Creator of Animation Timer, a stopwatch application for Apple iPhones, Cartwright is a veteran Disney animator and filmmaker. Born in Virginia, Cartwright graduated from UCLA in 1974, where he made his student animated...

Barbara Liskov

A pioneer in object-oriented programming, Liskov's work in programming methodology has affected all aspects of modern computing, including programming languages, object-oriented programming, and software robustness to hacking. She designed CLU, an object-oriented...

Cecil Wayne Ratliff

Creator of the Vulcan database program, Ratliff worked for the Martin Marietta Corporation from 1969 to 1982 in a progression of engineering and managerial positions. He was a member of the NASA...

Victor (Vic) Dale Poor

Co-creator of the architecture that was ultimately implemented in the first successful computer microprocessor, the Intel 8008, Poor was an engineer whose designs of hardware and software led to many innovations. At...

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...

William Mark Goddard

Co-inventor of the "Direct Access Magnetic Disc Storage Device," which gave birth to the modern-day hard disk drive, Goddard is hailed as a contributor to one of the most significant inventions in...