Frank Land

Pioneering IT use in business and the teaching of systems analysis in universities, Land began his career in computing as an analyst programmer with LEO—the Lyons Computer—in 1952. He left in 1968,...

Robert Marco Tomasulo

Inventor of the Tomasulo algorithm, a computer architecture hardware algorithm for dynamic scheduling of instructions that allows out-of-order execution, Tomasulo was the recipient of the 1997 Eckert–Mauchly Award, "for the ingenious Tomasulo...

Susan T. Dumais

Researcher whose work at Bellcore (now Telcordia Technologies) into the vocabulary problem in information retrieval led to the invention of Latent Semantic Indexing, Dumais has served as a Principal Researcher in the...

Brent Hailpern

Recipient of IBM's Outstanding Innovation Award for his contributions to the IBM NetVista product, Hailpern worked on and managed various projects at the IBM T. J. Watson Research Center relating to issues...

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...

John Impagliazzo

Noted IT historian, author, and Professor Emeritus of computing sciences at Hofstra University, Impagliazzo has supported educational computing activities for decades. His accomplishments include contributing to model computing and engineering curricula, publishing...

Galileo Galilei

Called "the Father of Modern Science," Galilei played a major role in the Scientific Revolution, including landmark improvements to the telescope and the invention of an improved military compass. He was born...

Steven W. Hunter

Systems Architect for Systems x and BladeCenter products at IBM, Hunter was named an IBM Fellow in 2011—the highest honor a scientist, engineer, or programmer at IBM can achieve. He has served...

Orna Berry

The first woman to serve as chief scientist and head of the industrial R&D operation of the Israeli Ministry of Industry, Trade and Labour, Berry took on that role in 1996. An...

Myron Krueger

Considered one of the first generation virtual reality and augmented reality researchers, Krueger is an American computer artist who developed early interactive works. While earning a Ph.D. in Computer Science at the...

Cornelis (Kees) H.A. Koster

Creator of the original Compiler Description Language, Koster was also one of the editors of the original Report on the Algorithmic Language ALGOL 68. He was a professor in the Department of Informatics...

Fernando (Corby) J. Corbato

Pioneer in the development of general-purpose, large-scale, time-sharing and resource-sharing computer systems, Corbató received the ACM Turing Award in 1990 for these foundational contributions. Fernando (Corby) J. Corbató was born on July 1,...

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...

Lawrence (Larry) G. Roberts

Developer of ARPANet and the Internet, Roberts served as chief scientist at the Advanced Research Projects Agency, where he and his team created packet switching and the ARPANet, which was the predecessor...

Kerrie L. Holley

Co-patent owner of the computer industry's first SOA method and SOA maturity model, Holley is an IBM Fellow, software architect, author, researcher, consultant, and inventor recognized internationally for his innovative work in...

Frederick M. Hoar

A Silicon Valley public relations and marketing executive legend, Hoar died January 2 after a three-year bout with idiopathic pulmonary fibrosis. He was 77. Hoar was one of Silicon Valley's most visible public...

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...

John L. Gustafson

Acclaimed for his work in High Performance Computing (HPC), Gustafson is most known for the invention of Gustafson's Law, introducing the first commercial computer cluster, measuring with QUIPS, and leading the reconstruction...

Federico Luigi Conte Menabrea

Author of the landmark 1842 "Sketch of the Analytical Engine Invented by Charles Babbage, Esq." — translated and annotated by Ada Lovelace — which described many aspects of computer architecture and programming,...

Mark H. Kryder

Spearheader of the breakthroughs that increased hard-disk densities and accelerated their corresponding drop in price, Kryder is also author of "Kryder's Law," in which he pointed out that if scaling magnetic recording...