Euclid is a programming language created in 1970 by Butler Lampson.

Euclid is an imperative programming language for writing verifiable programs. It was designed by Butler Lampson and associates at the Xerox PARC lab in the mid-1970s. The implementation was led by Ric Holt at the University of Toronto and James Cordy was the principal programmer for the first implementation of the compiler. Read more on Wikipedia...

• Euclid Wikipedia page
• Euclid first developed in Xerox PARC and University of Toronto
• Euclid on HOPL
• See also: (3 related languages)Pascal, Mesa, Turing