David L. Mills

Inventor of the Network Time Protocol, the fuzzball router, and the Exterior Gateway Protocol, Mills was an American computer engineer and Internet pioneer. He earned his PhD in Computer and Communication Sciences...

Edmund Melson Clarke, Jr.

Developer of model checking, Clarke pioneered a method for formally verifying hardware and software designs. In his Ph.D. thesis he proved that certain programming language control structures did not have good Hoare...

James Waddell Alexander II

Founder of cohomology theory, Alexander was also a pioneer in algebraic topology who contributed to the beginnings of knot theory by defining the first of the polynomial knot invariants. He was an American...

Frank van Ham

Designer of interactive information visualizations and one of the main researchers behind IBM's Many Eyes project, van Ham has more than a decade of experience in designing and deploying interactive information visualizations....

Brian Warboys

Chief designer of ICL's VME operating system, Warboys went on to become a Professor of Software Engineering at the University of Manchester from 1985 until he retired in September 2007, subsequently being...

King-Sun Fu

A pioneer in the field of pattern recognition and machine intelligence, Fu is considered to be the "father of automatic pattern recognition," and was widely recognized for his extensive contributions to the...

Borje Langefors

Pioneer of the first theoretical approach to systems development practices, Langefors was the first computer scientist to develop a coherent model of the development of computer-based information systems in the early 1960s....

John C. Hollar

CEO of the Computer History Museum, Hollar directed the Museum's strategic planning and operations and has been responsible for leading it toward its goal of being the world's leading institution capturing the...

F. Grant Saviers

Co-developer of a controller for DEC's first disk drive, Saviers joined DEC in 1968 and held several senior management positions over 24 years with the company. Born in Baltimore, Maryland, he became interested...

Philip (Phil) R. Zimmermann, Jr.

The creator of Pretty Good Privacy (PGP), the most widely used email encryption software in the world, Zimmermann is also known for his work in VoIP encryption protocols, notably ZRTP and Zfone....

John Cullinane

Founder of Cullinet, one of the first software companies to go public, Cullinane is recognized as the creator of the packaged software market. His company claimed many industry firsts: first packaged application, first...

Eugene Edward McDonnell

Designer of IBM's first Time-Sharing system, which became a very early host to IVSYS, a predecessor of APL, McDonnell was a Computer Science pioneer and long-time contributor to the programming languages APL...

Ruchir Puri

Leader of high performance design and methodology solutions for all of IBM's enterprise server and system chip designs, Puri has served as an IBM Fellow at IBM Thomas J. Watson Research Center,...

Herbert Alexander Simon

One of the most influential social scientists of the twentieth century, Simon was an American political scientist, economist, and psychologist whose research ranged across the fields of cognitive psychology, computer science, public...

Elaine Surick Oran

Considered a world authority on numerical methods for large-scale simulation of physical systems, Oran pioneered computational technology to solve complex reactive flow problems. Her work unified concepts from science, mathematics, engineering, and...

Curt L. Cotner

Designer and developer of many key features of DB2 for z/OS, Cotner has served as an IBM Fellow and VP/CTO for IBM Data Management. In that role, he held technical and management...

LaRoy Tymes

Co-designer and developer of "Supervisor" for Tymnet, Tymshare's proprietary network, Tymes grew up in Wyoming, Michigan. He attended the University of Michigan, but didn't complete his education there. Instead, he got a...

Robert B. Palmer

Member of the founding team at Mostek, where he pioneered the use of ion implantation technology for the manufacture of MOS circuits, Palmer is also known as the last Chairman and Chief...

Charlie Catlett

Member of the original team that deployed and managed the NSFNet to promote advanced research and education networking, Catlett attended the University of Illinois initially majoring in Electrical Engineering. But after his...

Isidor Isaac Rabi

Co-founder of CERN and Nobel laureate in Physics, Rabi was a Galician-born American physicist born into a traditional Jewish family in Rymanów, Galicia, Austria-Hungary (now Poland), and was brought to the United...