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...

Barry W. Boehm

Known for his many contributions to software engineering, Boehm was an American software engineer and TRW Emeritus Professor of Software Engineering at the Computer Science Department of the University of Southern California.

Charles M. Herzfeld

Director of DARPA who personally authorized the creation of the ARPANET, the predecessor of the Internet, Herzfeld was an American scientist and scientific manager, particularly for the US Government, best known for...

Virginia (Ginni) Marie Rometty

The first woman to serve as Chairman and CEO of IBM, Rometty held the positions of Chairman, President and Chief Executive Officer of IBM. She was appointed President and CEO effective January...

Henry Ross Perot

Founder of Electronic Data Systems (EDS) in 1962, Perot built one of the most influential technology services companies in American history. He sold EDS to General Motors in 1984, and founded Perot...

Niklaus Emil Wirth

Designer of programming languages including Pascal, EULER, ALGOL-W, and Modula, Wirth won the Turing Award in 1984 for developing a sequence of innovative computer languages. He was a Swiss computer scientist who...

John H. Crawford

Chief architect of the Intel 80386 and Intel 80486 microprocessors, Crawford is an American computer software engineer and the holder of 23 patents. He received his Bachelor of Science (BSc) degree from...

Yuanyuan (YY) Zhou

CTO of PatternInsight, a spin-off from her research group that has deployed software quality and security solutions used by many large commercial companies, Zhou co-founded the startup in 2007. She received several grants...

Louis Pouzin

Invented the datagram and designed the first packet communications network, CYCLADES, Pouzin also created the first forms of command-line interface. His work was broadly used by Robert Kahn, Vinton Cerf, and many...

Pratap Pattnaik

Chief architect and scientist for defining, designing, and implementing the key research technologies that influenced IBM's server design in high-performance computing, Pattnaik has served as an IBM Fellow at the IBM Thomas...

David Patrick Reed

Designer of the User Datagram Protocol (UDP), Reed is an American computer scientist known for significant contributions to computer networking, including the design and construction of Internet protocols, distributed data storage, and...

Stephen J. Fink

One of the primary developers and maintainers of the T.J. Watson Libraries for Analysis (WALA), which provides static analysis capabilities for Java bytecode and related languages, Fink has been a research scientist...

Gwendowlyn K Bell

Founding President and Co-founder of The Computer Museum and Co-founder of the Computer History Museum, Bell has also served as President of the ACM.

Frances (Betty) Elizabeth Holberton

One of the six original programmers of ENIAC, the first general-purpose electronic digital computer, Holberton made foundational contributions to the history of computing. During World War II, while the men were fighting,...

Herman Hollerith

Inventor of the punched card, Hollerith was a German-American statistician who developed a mechanical tabulator based on punched cards to rapidly tabulate statistics from millions of pieces of data. He was the...

Margaret R. Fox

Member of the technical staff of the Electronic Computer Laboratory at the National Bureau of Standards, Fox graduated from Wisconsin State College in 1940 and joined the U.S. Naval Reserve in 1943,...

Lotfi Askar Zadeh

Best known for his theory of fuzzy logic, Zadeh proposed using a membership function (with a range covering the interval [0,1]) operating on the domain of all possible values. He proposed new...

Heinz Zemanek

Austrian computer pioneer who built the first European all-transistor computer in 1955, Zemanek went on to found the IBM Laboratory Vienna in 1961. The IBM Laboratory Vienna (later known colloquially as the Vienna...

Thomas (Tom) M. Whitney

Leader of the team that invented the HP-35, the world's first handheld scientific electronic calculator, Whitney was also an early employee of Apple Computer. Thomas (Tom) M. Whitney graduated from Aurelia High...

Igor L. Markov

Leader of the effort on the Hardware tree during the 2011 redesign of the ACM Computing Classification System, Markov has served as an Associate Professor of Electrical Engineering and Computer Science at...