Lulu Cash Gibson (Child Genius) on Letterman, December 15, 1989
8:39
Marilyn Mach Vos Savant on Letterman, March 11, 1986
8:14
David Letterman Daniel Tammet Mathematics Genius Prodigy | Free slideshow @ www.j.mp/BharatanMaths
8:04
Top 10 AMAZING SAVANTS With REAL SUPER POWERS
4:37
The Carbonaro Effect - Girl Genius Revealed
16:11
Drew Barrymore's Classic First Appearance | Carson Tonight Show
8:46
Who can challenge this 6 yr old Super Brain with an IQ of 180? Watch a REAL Child Prodigy.
8:50
Stupid Pet Tricks on Letterman, September 24, 1985
14:15