Jean Calvignac

Leader of the team responsible for the architecture of IBM network processors, Calvignac is a 1997 IBM Fellow. Network processors are an integrated circuit which has a feature set specifically targeted at...

Mark N. Wegman

Co-inventor of Static Single Assignment (SSA) form, which is used in the analysis portion of most if not all modern optimizing compilers, Wegman is an American computer scientist known for his contributions...

Edward Nash Yourdon

Pioneer of structured analysis and object-oriented design methodologies, Yourdon was known as one of the lead developers of the structured analysis techniques of the 1970s, as co-developer of the Yourdon/Whitehead method for...

Lynn G. Gref

Developer of the Rapid Development Methodology (RDM), Gref is a technologist and systems engineer who has done pioneering work in missile systems; command, control and communications (C3) systems; and satellite systems. He...

Joel McCormack

Key software designer at NCR, McCormack designed the NCR Corporation version of the p-code machine, a kind of stack machine popular in the 1970s as the preferred way to implement new computing...

Charlie Bass

Co-founder of Ungermann-Bass (UB), the first large networking company independent of any computer manufacturer, Bass helped commercialize Ethernet, oversaw a successful IPO, and then saw the company purchased by Tandem Computers. In...

Aviel (Avi) David Rubin

Leader of the research team that successfully cracked the security code of Texas Instruments' RFID chip, Rubin is an American computer programmer and scientist with expertise in systems and networking security. He...

David Nahamoo

Developer of algorithms that contributed to IBM's leadership in automatic speech recognition, Nahamoo's work includes contributions that resulted in the company's highly successful deployment of ViaVoice. He has served as the Speech...

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...

Lynn Conway

Pioneer of the Mead and Conway revolution in VLSI design, Conway transformed the field of electronic chip design and automation. Conway joined Xerox PARC in 1973, where she led the "LSI Systems" group...

John R. Levine

Co-author of The Internet for Dummies (with Carol Baroudi and Margaret Levine Young), Levine is an Internet author and consultant specializing in email infrastructure, spam filtering, and software patents. Levine has chaired the...

Sergio Verdu

Known for pioneering the field of multiuser detection, Verdú has served as the Eugene Higgins Professor of Electrical Engineering at Princeton University, where he has taught and conducted research on Information Theory...

David E. Culler

Inventor of the TinyOS operating system, Culler is a computer scientist who has served as Chair of Computer Science and Associate Chair of Electrical Engineering and Computer Sciences at the University of...

Charles Proteus Steinmetz

Fostering the development of alternating current that made possible the expansion of the electric power industry in the United States, Steinmetz was a mathematician and electrical engineer who formulated mathematical theories for...

John Wilder Tukey

Known for his contributions to the spectral analysis of random processes and the fast Fourier transform (FFT) algorithm, Tukey left a profound mark on modern statistics and signal processing. During World War II,...

Mark Semenovich Pinsker

Known for his entropy theory of dynamical systems, which introduced the maximal partition with zero entropy, later known as Pinsker's partition, Pinsker studied stochastic processes under A. N. Kolmogorov in the 1950s,...

Philibert Maurice d'Ocagne

Pioneer of nomography — the systematization of graphical calculation methods using nomograms — d'Ocagne was a French engineer and mathematician whose scientific personality soon fell into oblivion, leaving only a few milestones...

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,...

James L. Fergason

Inventor of an improved liquid crystal display, Fergason made his seminal discovery of the twisted nematic cell — a low-power, field-operated LC display — in 1969 while at the Liquid Crystal Institute...

Robert Mano Fano

Known principally for his work in information theory and the invention of Shannon-Fano coding, Fano was a computer scientist and professor emeritus of Electrical Engineering and Computer Science at Massachusetts Institute of...