MACLISP

MIT AI Lab, late 1960's

Later used by Project MAC, Mathlab, and Macsyma. Ran on the PDP-10. Introduced the LEXPR (a function with variable arity), macros, arrays, and CATCH/THROW. MACLISP was once one of two main branches of LISP, the other being Interlisp. In 1981, Common LISP was begun in an effort to combine the best features of both.

"MACLISP Reference Manual", D. A. Moon, TR Project MAC, MIT 1974.