Nils Aall Barricelli

Pioneering in artificial life research, Barricelli conducted early computer-assisted experiments in symbiogenesis and evolution that are considered foundational to the field. Being independently wealthy, he held an unpaid residency at the Institute...

Michael S. Tomczyk

Best known for his role in the development and marketing of the Commodore VIC-20, the first microcomputer to sell one million units, Tomczyk is also recognized as an early pioneer in telecomputing....

Robert Norton Noyce

Founder of Intel and co-founder of Fairchild Semiconductor, Noyce is also credited (along with Jack Kilby) with the invention of the integrated circuit or microchip. Nicknamed "the Mayor of Silicon Valley," he...

Icer Addis

Author of the NESticle, Genecyst, and Callus emulators, Addis is considered a legendary figure in the emulation scene. He co-founded Bloodlust Software with his friend Ethan Petty. Working independently under the Bloodlust...

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,...

Helmut Theodor Schreyer

Co-developer of the Z3, one of the first computers, Schreyer also developed an electrical circuit to convert decimal to binary numbers. He was a German inventor and the son of the minister...

Lawrence (Larry) A. Rowe

Founding director of the Berkeley Multimedia Research Center (BMRC), Rowe is a computer scientist who served as a professor of Electrical Engineering and Computer Science at the University of California, Berkeley from...

Charles Leonard Hamblin

Inventor of Reverse Polish Notation and the stack in computing, Hamblin was an Australian philosopher, logician, and computer pioneer. He served as a professor of philosophy at the Technical University of New...

Hugh Darwen

Chief architect on Business System 12, a database management system that faithfully embraced the principles of the relational model, Darwen has been recognized as a significant figure in the history of the...

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...

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...

Ramesh Chandra Jain

Developer of some of the early visual information retrieval systems, Jain is also the founder of IEEE Multimedia and the company Virage. He graduated with a Bachelor's degree from Nagpur University, Nagpur,...

Steve Lukasik

Chief Scientist of the Federal Communications Commission, Lukasik advised the Commission on technical issues in communication regulation and the management of non-government use of the electromagnetic spectrum. He received a B.S. in Physics...

Stephen (Steve) Byram Furber

Principal designer of the BBC Micro and the ARM 32-bit RISC microprocessor, Furber is probably best known for his work at Acorn Computers. He was educated at Manchester Grammar School and represented...

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.

Arthur Tatnall

Noted IT historian, author, and professor of computer sciences, Tatnall has served as an Associate Professor in the Victoria Graduate School of Business at Victoria University in Melbourne, Australia. He holds Bachelor's...

Daniel D. McCracken

Author of "A Guide to Fortran Programming" (Wiley, 1961) and its successors — the standard textbooks on that language for over two decades — McCracken was one of computing's most prolific educators....

Jerry M. Woodall

Inventor of the first commercially viable heterojunction material GaAlAs for red LEDs used in automobile brake lights, traffic lights, CD and DVD players, TV remote controls, and computer networks, Woodall is an...

Peter R. Samson

Creator of the Harmony Compiler for the PDP-1 and the Expensive Planetarium star display for Spacewar!, Samson is an American computer scientist best known for creating pioneering computer software. He studied at...

Brian Randell

Developer of a compiler for the English Electric KDF9, an early stack machine, Randell is a British computer scientist and Emeritus Professor at the School of Computing Science, Newcastle University, U.K. He...