Danny (Dan) Spracklen

Co-programmer of the Chafitz ARB Sargon 2.5, the first commercial dedicated chess computer with an Auto Response Board (ARB), Spracklen is an American computer scientist and microcomputer chess pioneer. Born in Decatur,...

Hasso Plattner

Founder of SAP, Plattner developed R/3, the landmark enterprise resource planning (ERP) software that became a cornerstone of modern business computing. He led SAP to become the world leader in application software,...

Grigore Constantin Moisil

Considered the father of computer science in Romania, Moisil made foundational contributions to automata theory, many-valued algebras, and mathematical logic. Grigore Moisil attended primary school in Bucharest, then high school in Vaslui and...

Jean David Ichbiah

Chief designer of the Ada programming language, Ichbiah was a French-born computer scientist who led the design of Ada (from 1977–1983), a general-purpose, strongly typed programming language with certified validated compilers. At...

Shari Trewin

Developer of a keyboard configuration tool for individuals with motor impairments, Trewin is an HCI researcher at IBM Thomas J. Watson Research Center, New York, whose long-standing research focus has been in...

Peter Kogge

Designer of the Space Shuttle I/O processor — one of the first multithreaded computers and the first to fly in space — Kogge is a computer engineer and 1993 IBM Fellow who...

Roger D. Moore

Co-recipient of the 1973 Grace Murray Hopper Award from the Association for Computing Machinery, Moore was recognized — along with Larry Breed and Richard Lathwell — for their work in the design...

Leo Fantl

One of the first to join the LEO computing team as a programmer, Fantl was responsible for the planning and programming of some of the earliest business data processing applications.

David Lorge Parnas

Originator of the concept of information hiding in modular programming, Parnas is a Canadian early pioneer of software engineering whose work became a foundational element of object-oriented programming. He has also been...

Joshua Schachter

Creator of Delicious, GeoURL, and co-creator of Memepool, Schachter holds a B.S. in Electrical and Computer Engineering from Carnegie Mellon University in Pittsburgh. He released the first version of Delicious (then called...

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...

Elaine J. Weyuker

Leading researcher on rigorous software testing, including industrial evaluations of the comparative effectiveness and costs of such testing methods, Weyuker is an ACM Fellow, an IEEE Fellow (since 2003), and an AT&T...

Miguel de Icaza

Starter of the GNOME project with Federico Mena in August 1997, de Icaza aimed to create a completely free desktop environment and component model for Linux and other Unix-like operating systems. Earlier,...

Bettina Speckmann

Speckmann headed the Applied Geometric Algorithms group at Eindhoven University of Technology and was a professor in the Department of Mathematics and Computer Science in Eindhoven, Netherlands. Her research focused on computational...

James (Jim) Rymarczyk

Key role player in advancing virtualization technology at IBM, Rymarczyk spent over 43 years with the company, from May 1968 to January 2012, retiring as an IBM Fellow in 1996. He joined...

Richard E. Crandall

Developer of the irrational base discrete weighted transform, an important method of finding very large primes, Crandall made significant contributions to computational number theory. He served, at various times, as Chief Scientist...

Michael Stonebraker

Noted for pioneering research on relational database systems and for founding numerous database companies, Stonebraker's career can be broadly divided into two phases: his time at Berkeley, where he focused on relational...

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...

Daniel L. Murphy

Creator of Text Editor and Corrector (TECO), later implemented on most PDP computers, Murphy is an American computer scientist. He attended MIT from 1961 and graduated in 1965. In 1962 he created...

Gerald D. Cohen

CEO and founder of Information Builders, Cohen started an early enterprise database software company.