GTL is a LISP 2 implementation

A few months after my article “The LISP 2 Project” was published, I learned from Paul Kimpel that the language GTL includes a “non-standard” version of LISP 2. GTL stands for Georgia Tech Language. It is an extension of the Burroughs B 5500 Algol language, and its implementation extends the Burroughs Algol compiler. There is a new data type, SYMBOL, whose value can be an atomic symbol, a number, or a dotted pair. There is a garbage collector, and a way to save and restore memory using the file system. GTL was designed by Martin Alexander at the Georgia Institute of Technology between 1968 and 1969. The source code is available as part of the Burroughs CUBE library, version 13, and the manual is available via bitsavers.org; see here for details.

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