In dictionaries:
Raph Koster
Raphael "Raph" Koster (born September 7, 1971) is an American entrepreneur, game designer, and author of A Theory of Fun for Game Design.
Raph Levien
Raphael Linus Levien (also known as Raph Levien) is a software developer, a member of the free software developer community, through his creation of the Advogato virtual community and his work with the free software branch of Ghostscript.
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