"What did Einstein, JFK, Edison, Marie Curie and Henry Ford have in common?" Bruce Roosen asks in his artists' statement. Answer: They were all doodlers, using idle pencil-scratching to do some "deep thinking in disguise." Roosen's intricate doodles (some of which took over 50 hours to complete) celebrate the "simple, accessible and dynamite tool for innovating and solving even the stickiest problems."