Famous language designers listed here. Few languages are the work of just one person; but for many languages there is one person predominantly responsible for its design.
People who have designed more than one language or have made a career out of inventing languages:
* GuySteele (SchemeLanguage, CommonLisp, JavaLanguage, etc.)
People who have developed languages, in chronological order of their contributions:
People who had influence over language design, even if they did not invent a language single-handedly:
some of whom eventually become
LanguageLawyers...
See also
LanguageDesignersOnWiki,
InstantLanguageForm