http://www.cbsnews.com/stories/2007/...n2401846.shtml

3 page story

Back in 1983, George Finn, blessed or obsessed with calendar calculation, could give you the day if you gave him the date.

"What day of the week was August 13th, 1911?" Safer quizzed Finn.

"A Sunday," Finn replied.

"What day of the week was May 20th, 1921?" Safer asked.

"Friday," Finn answered.

George Finn is a savant. In more politically incorrect times he would have been called an "idiot savant" – a mentally handicapped or autistic person whose brain somehow possesses an island of brilliance.

Asked if he knew how he does it, Finn told Safer, "I don't know, but it's just that, that's fantastic I can do that."

If this all seems familiar, there’s a reason: five years after the 60 Minutes broadcast, Dustin Hoffman immortalized savants like George in the movie "Rainman.”"

Which brings us to that other savant we mentioned: Daniel Tammet. He is an Englishman, who is a 27-year-old math and memory wizard.

"I was born November 8th, 1931," Safer remarks.

"Uh-huh. That's a prime number. 1931. And you were born on a Sunday. And this year, your birthday will be on a Wednesday. And you'll be 75," Tammet tells Safer.

It is estimated there are only 50 true savants living in the world today, and yet none are like Daniel. He is articulate, self-sufficient, blessed with all of the spectacular ability of a savant, but with very little of the disability. Take his math skill, for exa....