Nat Friedman

American scientist

American cryptographer

American computer scientist, academic lecturer and writer

Statistician, data scientist

American software engineer, programmer, computer scientist

American entrepreneur, co-founder Posterous and Posthaven

American computer security researcher, journalist and hacker

American child sex offender and former fugitive

Fantasy and sci-fi writer, anti-sex proponent

Security specialist

American software engineer and entrepreneur

American-Israeli entrepreneur, killed in the September 11 attacks

American computer scientist, free software developer

American programmer

American computer programmer

American video game designer

American cartoonist, author, and engineer: Creator of xkcd

American entrepreneur, programmer and philanthropist

American hacker and threat analyst

American web developer and entrepreneur