Professor Allen Tough
Futurist, Scientist, Author

Selected Books by Prof. Allen Tough
Available Here for Download

• 1967: Learning Without a Teacher
• 1971: The Adult's Learning Projects
• 1982: Intentional Changes
• 1991: Crucial Questions About the Future
• 1995: A Message from Future Generations
• 2000: When SETI Succeeds: The Impact of High-Information Contact

See also: a selection of Prof. Tough's Articles.

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