John Karat

Lead researcher in the field of human-computer interaction and co-developer of IBM's large vocabulary desktop speech recognition system, Karat is an internationally recognized figure whose career with IBM spanned Development (1982–1987) and...

William (Will) Crowther

Co-creator of Colossal Cave Adventure, a seminal computer game that created the text adventure genre, Crowther is also recognized for an earlier technical achievement: his implementation of a distributed distance vector routing...

Dave Boggs

Co-inventor of Ethernet and developer of early Internet protocol prototypes, Boggs helped shape the foundations of modern computer networking. David graduated from Princeton University, and as a young graduate worked at Xerox PARC,...

Marc Andreessen

Founder of Netscape and co-author of Mosaic, the first widely-used web browser, Andreessen is an American entrepreneur, investor, and software engineer. He also chaired Opsware, a software company he originally founded as...

William (Bill) Douglas Gropp

Co-creator of the Message Passing Interface (MPI) and the Portable, Extensible Toolkit for Scientific Computation (PETSc), Gropp has served as a Professor of Computer Science at the University of Illinois Urbana-Champaign, holding...

Alex Morrow

Instrumental in establishing an international standard for the APL language and the ACIS 4.2 operating system for IBM's first workstations, Morrow has been recognized as both an IBM Fellow and a Lotus...

Andrei Zary Broder

Co-inventor of the first practical test to prevent robots from masquerading as humans and accessing web sites — often referred to as CAPTCHA — Broder has served as a Distinguished Scientist at...

Richard D. Greenblatt

Co-founder of the hacker community and the main implementer of Maclisp on the PDP-6, Greenblatt is also known for writing Mac Hack, the first computer program to play tournament-level chess and the...

John Warner Backus

Leader of the team that invented FORTRAN, the first widely used high-level programming language, Backus also invented the Backus-Naur form (BNF), the almost universally used notation to define formal language syntax. He...

Jeffrey A. Frey

Co-developer of technologies enabling cloud computing, Frey has served as an IBM Fellow and CTO for System z. He is one of the founding architects of System z Parallel Sysplex, which operates...

Ramakrishnan Srikant

Key architect for IBM Intelligent Miner, Srikant contributed the association rules and sequential patterns modules to the product. Dr. Srikant has served as a Principal Research Scientist at Google. He previously managed the...

Patricia G. Selinger

Pioneer in relational database management and inventor of cost-based query optimization, Selinger is a world-renowned American computer scientist and IBM Fellow whose technique has been adopted by nearly all relational database vendors...

James (Jim) Nicholas Gray

Pioneer of granular database locking, two-tier transaction commit semantics, and the data cube operator for data warehousing applications, Gray transformed the field of database and transaction processing systems. Gray studied at the University...

Frances Spence (née Bilas)

One of the original programmers for the ENIAC computer, Spence was born Frances Bilas in Philadelphia in 1922. She attended Temple University but then was awarded a scholarship to Chestnut Hill College,...

Werner Almesberger

Writer of the code to support Differentiated Services on Linux, Almesberger was an Austrian free software computer programmer and open-source hardware designer mainly known as a hacker of the Linux kernel. Born...

Benjamin Zorn

Co-developer of Nozzle and Zozzle, programs that detect and protect browsers against JavaScript-based malware, Zorn has also led the Software Design and Implementation Group at Microsoft Research, Redmond, Washington, as part of...

Georgii P. Lopato

Noted developer of the Russian "Minsk" computers, Lopato contributed to the development of different generations of computers: "Minsk" computers, ES computers, personal computers, mobile computers, and the development on their basis of...

Carl Adam Petri

Developer of Petri nets for modeling distributed systems, Petri introduced the concept in his Ph.D. thesis in 1962, where he originally called them communicating automata. Afterwards, Petri served as department head at...

Jack Haverty

Co-designer of the original email mechanism and co-creator of the initial Internet, Haverty studied at MIT and continued there as a staff member of the MIT Laboratory for Computer Science, where he...

Dharma P. Agrawal

Leader of the University of Cincinnati - BlueTooth (UCBT) Bluetooth package, Agrawal was a communications scientist who specialized in wireless sensor networks. He served as the Ohio Board of Regents Distinguished Professor...