MAD[1]

Michigan Algorithm Decoder

R. Graham, Bruce Arden and Bernard Geller, University of Michigan, 1959.

Based on IAL. For the IBM 704, 709 and 7090, later ported to Philco, Univac and CDC computers. MAD was one of the first extensible languages: the user could define his own operators and data types.

"Michigan Algorithm Decoder (The MAD Manual)", University of Michigan Computing Center, 1966.