Martin Odersky (born 5 September 1958) is a German computer scientist and professor of programming methods. He designed the Scala programming language.
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.
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.
Richard Stallman is an American software freedom activist and programmer. He launched the GNU Project, founded the Free Software Foundation, developed the GNU Compiler Collection and GNU Emacs, and wrote the GNU General Public License.
Ken Thompson (left) and Dennis Ritchie (right)
Linus Torvalds is a Finnish software engineer who is the creator and, for a long time, principal developer, of the Linux kernel
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
Bjarne Stroustrup (born 30 December 1950) is a Danish computer scientist, most notable for the creation and development of the widely used C++ programming language. He is a visiting professor at Columbia University, and works at Morgan Stanley as a Managing Director in New York.
Andrew "Tridge" Tridgell (born 28 February 1967) is an Australian computer programmer. He is the author of and a contributor to the Samba file server, and co-inventor of the rsync algorithm. He has analysed complex proprietary protocols and algorithms, to allow compatible free and open source software implementations.