Source : Free On-Line Dictionary of Computing

ALGOL 68C
     
         A variant of {ALGOL 68} developed by S. Bourne and
        Mike Guy of {Cambridge University} in 1975 and used as the
        implementation language for the {CHAOS} OS for the {CAP}
        {capability} computer.  ALGOL 68C was ported to the {IBM 360},
        {VAX}/{VMS}, and several other {platforms}.
     
        (1995-05-02)