publication date: Friday, January 28, 2005 (part of Round XXIV)
clue: Since I won't tell you the answer, you'll just have invent another way to find out.
explanation: Silva was fascinated by the phenomenon of extrasensory perception (which he called "effective sensory perception"), and developed both the UltraMind ESP System and the Silva Method. more…
solved by: no one!
trivia: Incorrect guesses included Dai Vernon, Steve Fearson, Harry Blackstone, and two for the Amazing Kreskin.