Michael Michalko is a highly-acclaimed creativity expert and the author of Thinkertoys: A Handbook of Creative Thinking Techniques; Cracking Creativity: The Thinking Strategies of Creative Geniuses; Thinkpak: A Brainstorming Card Deck, and Creative Thinkering: Putting Your Imagination to Work.
http://www.creativethinking.net
Michael Michalko's articles:
There is No Such Thing as Failure7 Tenets of Creative Thinking