sir Timothy John "Tim" Berners-Lee

sir Timothy John "Tim" Berners-Lee, OM, KBE, FRS, FREng, FRSA, also known as "TimBL", is a British computer scientist and the inventor of the World Wide Web. 

Stephen Gary "Steve" Wozniak

Stephen Gary "Steve" Wozniak, known as Woz, is an American computer engineer and programmer who founded Apple Computer with Steve Jobs and Ronald Wayne. Wozniak single-handedly invented the Apple I computer and the Apple II computer in the 1970s.

Linus Benedict Torvalds

Linus Benedict Torvalds is a Finnish American software engineer and hacker, who was the principal force behind the development of the Linux kernel. He later became the chief architect of the Linux kernel, and now acts as the project's coordinator. 

Julian Paul Assange

Julian Paul Assange is an Australian editor, activist, publisher and journalist. He is best known as the editor-in-chief and founder of WikiLeaks, which publishes submissions of secret information, news.

Tsutomu Shimomura

Tsutomu Shimomura is an American scientist and computer security expert based in the United States, who became an instant celebrity when he, together with computer journalist John Markoff, tracked down and helped the FBI arrest hacker Kevin Mitnick.