↑“'Rain Man' reigns in Casper”. 《Casper Star-Tribune》. 2003년 3월 14일. 2009년 7월 21일에 확인함. The difference between a savant and a megasavant like Peek is that Peek has nearly total recall in around 14 to 15 different subject areas, according to literature written by Peek's father, Fran Peek.
↑“About Kim Peek, Megasavant”. 《York Daily Record》. 1994년 11월 4일. 2009년 7월 21일에 확인함. Kim Peek is a megasavant who has memorized vast numbers of facts about more than a dozen subjects. He has brain damage, which occurred before birth.