David Ahl places all his classic computing publications into the Public Domain
David H. Ahl provided a generation of programmers with the tools to make cool things. As a writer, he published books and articles in many magazines of the early computer era including Creative Computing. (Ed. Note: I have the above book from the 80s and typed its programs into a number of computers)
On June 15th, 2022, David issued a statement releasing his works into the public domain! This allows a new generation to enjoy all his publications!!
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I remember in 1982 using the Checkers game from the book to drive a robot arm with input from a camera as part of a senior EE project.