Cantor User Report, Version 2.0
W.C. Athas, Charles L. Seitz · 1987
Cantor is an object-oriented programming notation for describing concurrent computations in terms of small concurrent objects. The objects of Cantor are independent computing agents that interact only by message passing. Each object is comprised of a set of private variables, called the "persistent variables" or "acquaintances", a message list used to identify the contents of a message, and a sequence of commands that describes how the object will react when it receives a new message. All variables used in Cantor programs are dynamically typed and lexically scoped.