John Bardeen

Co-inventor of the transistor and the only person to have won the Nobel Prize in Physics twice, Bardeen was an American physicist and electrical engineer. He received the prize first in 1956...

Conel Hugh O'Donel Alexander, CMG, CBE

One of the key workers on breaking the Enigma machine, Alexander made vital contributions to British codebreaking during World War II. An Irish-born British cryptanalyst, chess player, and chess writer, he was...

Richard (Dick) John Egan

Member of the team that developed the Apollo Guidance Computer for the Apollo spacecraft that carried astronauts to the moon, Egan was also a prominent American businessman, political fundraiser, and former US...

Stewart Brand

Assistant to Douglas Engelbart's "Mother of All Demos," Brand helped present many revolutionary computer technologies (including the mouse) to the Fall Joint Computer Conference in San Francisco in late 1968. In 1966, Brand...

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...

Jakob Nielsen

Founder of the "discount usability engineering" movement for fast and cheap improvements of user interfaces, Nielsen invented several usability methods, including heuristic evaluation — a usability inspection method for computer software that...

David R. Millen

Director of a User Interface Design Group responsible for the user interface design of advanced business communications systems and exploratory prototype development of advanced speech applications and pen-based interfaces, Millen has also...

Kilnam Chon

Developer of the first Internet in Asia, called SDN, Chon is a pioneering computer scientist and network engineer. He was born and raised in Japan and completed his education in the US....

Steven R. Hetzler

Initiator and namer of iSCSI within IBM Research, Hetzler is recognized for his role in developing an Internet Protocol (IP)-based storage networking standard for linking data storage facilities. He initiated work on...

Tsutomu Shimomura

Best known for his contributions to lattice gas automata and digital security research, Shimomura has made significant contributions to both computational physics and computer security. In the fall of 1984 he joined the...

Michael (Mike) Rubens Bloomberg

Founder and CEO of Bloomberg L.P., a global financial services, mass media, and software company, Bloomberg is an American businessman, author, politician, and philanthropist. His net worth is estimated at US$ 53.4...

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...

Russell Shoemaker Ohl

Developer of the modern solar cell and other important transistor breakthroughs, Ohl was a notable semiconductor researcher prior to the invention of the transistor. He patented the modern solar cell (US Patent...

James (Jim) Rymarczyk

Key role player in advancing virtualization technology at IBM, Rymarczyk spent over 43 years with the company, from May 1968 to January 2012, retiring as an IBM Fellow in 1996. He joined...

Paul V. Mockapetris

Inventor of the Domain Name System, Mockapetris is sometimes acknowledged, together with Jon Postel, as the creator of DNS. Mockapetris received his Bachelor's Degrees in Physics and Electrical Engineering from the Massachusetts Institute...

William Hugh Murray

Recognized as a founder of the systems audit field and a pioneer of computer security, Murray joined IBM Research as a programmer in 1956, where he worked on such iconic systems as...

Andrew F. Kay

Inventor of the digital voltmeter, Kay created an instrument used for measuring electrical potential difference between two points in an electric circuit. He was President and CEO of Kaypro Computers, a personal...

Karl Ferdinand Braun

Inventor of the cathode-ray tube, Braun built the first such device in 1897 — known as the "Braun Tube" in German-speaking countries. During the development of radio, he also worked on wireless...

Walter Houser Brattain

Co-inventor of the transistor, along with William Shockley and John Bardeen, Brattain made one of the most consequential contributions to modern electronics. Brattain's employment at Bell Laboratories in the years before World War...

Gideon Gartner

Founder of Gartner Group (now Gartner, Inc.), Gartner built one of the most influential IT research and advisory firms in the world. IT "advisory" firms are distinct from consultancies, in that they provide...