John Buxton

Pioneer of computer simulation, Buxton gained world renown for his fundamental scientific contributions to computer simulation, programming language design, and software implementation technology. He was founding professor of computer science at both...

Hans C. Pfeiffer

Inventor of PREVAIL, IBM's E-Beam Projection approach for Next Generation Lithography, Pfeiffer was a physicist best known for his contributions to the development of electron beam lithography (often abbreviated as e-beam lithography),...

Peter John Landin

One of the first to realize that the lambda calculus could be used to model a programming language, Landin made contributions essential to the development of both functional programming and denotational semantics....

Matthew Feng-Chiang Miau

Pioneer of Taiwan's personal computer industry, Miau is an information industry veteran with decades of experience on both sides of the Pacific. He was born in Shantung (China), grew up and attended...

Florian Brody

Co-inventor of Voyager's Expanded Books, the first electronic books to be read on a laptop, Brody is an international marketing executive and digital media specialist with over 25 years of experience. He...

Margaret Hamilton

Award-winning NASA computer scientist and mathematician who developed the Apollo program's on-board flight software, Hamilton is also recognized as the individual who coined the term "software engineering." Born in 1938, Hamilton graduated from...

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...

Azriel Rosenfeld

A leading researcher in the field of computer image analysis — encompassing computer or machine vision and medical imaging — Rosenfeld was a tenured Distinguished University Professor and Director of the Center...

Don Coppersmith

Co-designer of the Data Encryption Standard (DES), Coppersmith is one of the world's leading researchers in cryptography. He was part of the IBM team that developed DES. Used in financial and Internet...

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...

Michelle Simmons

Named Australian of the Year in January 2018 for her work and dedication to quantum information science, Simmons is an Australian quantum physicist recognized for her foundational contributions to the field of...

Eduardo (Ed) T. Kahan

Developer of the IBM Architecture Description Standard (ADS), used by the IBM WW technical community, Kahan has served as a certified consultant and an active member of the IBM Academy of Technology....

William Stanley Jevons

Constructed a logical machine called the Logic Piano, Jevons was a pioneering figure in both logic and economics. Jevons arrived quite early in his career at the doctrines that constituted his most...

Morris Chang

Founder of Taiwan Semiconductor Manufacturing Company (TSMC), Chang is sometimes called the father of Taiwan's chip industry. TSMC pioneered the "dedicated silicon foundry" industry and became the largest silicon foundry in the...

Donald Valentine

Referred to as the "grandfather of Silicon Valley venture capital," Valentine was an American venture capitalist who concentrated mainly on technology companies in the United States. Valentine grew up in the Bronx,...

Philip Don Estridge

Known as "the father of the IBM PC," Estridge led development of the original IBM Personal Computer. His decisions dramatically changed the computer industry, resulting in a vast increase in the number...

Stephen Warshall

Developer of the transitive closure algorithm known as Warshall's algorithm, Warshall made foundational contributions to graph analysis for finding shortest paths in a weighted graph. Born in New York City, Warshall went to...

Paul E. Ceruzzi

Noted IT historian, author, and curator, Ceruzzi has served as Curator of Aerospace Electronics and Computing at the Smithsonian's National Air and Space Museum in Washington, D.C. He received a BA from...

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...

Hakon Wium Lie

Proposer of the concept of Cascading Style Sheets (CSS), Wium Lie worked as an employee at W3C, where he developed CSS into a W3C Recommendation. Wium Lie proposed the Acid2 test, which was...