Linus Torvalds is a Finnish software engineer who is the creator and, for a long time, principal developer, of the Linux kernel
Charles H. Moore (also known as Chuck Moore) (born 1938) is the inventor of the Forth programming language.
Yukihiro Matsumoto (born 14 April 1965) is a Japanese computer scientist and software programmer best known as the chief designer of the Ruby programming language
Martin Odersky (born 5 September 1958) is a German computer scientist and professor of programming methods. He designed the Scala programming language.
Guido van Rossum (born 31 January 1956) is a Dutch programmer who is best known as the author of the Python programming language.
Rasmus Lerdorf (born 22 November 1968) is a Greenlandic-Danish programmer. He created the PHP scripting language, authoring the first two versions of the language and participated in the development of later versions
Larry Wall (born September 27, 1954) is a computer programmer and author, most widely known as the creator of the Perl programming language.
Anders Hejlsberg (born December 1960) is a prominent Danish software engineer who co-designed several popular and commercially successful programming languages and development tools. He was the original author of Turbo Pascal and the chief architect of Delphi. He currently works for Microsoft as the lead architect of C# and core developer on TypeScript.
Ken Thompson (left) and Dennis Ritchie (right)
Carl Sassenrath (born 1957 in California) is an architect of operating systems and computer languages. He brought multitasking to personal computers in 1985 with the creation of the Amiga Computer operating system kernel, and he is currently the designer of the REBOL computer language.