Thought up any great programming schemes lately? The attendees at the Workshop on Scheme and Functional Programming 2000 — held in Montreal on Sept. 17 — have. The recent conference means the ...

Harlan’s programming syntax is based on Scheme, a dialect of the influential programming language LISP. Originally developed in 1958.

It's not a great way to learn Scheme (you will end up learning both more and less than Scheme; they exercise only a small part of the language, and I'm not a fan of their style).