[["Christopher Michael Langan is an American horse rancher and autodidact who has been reported to score very highly on IQ tests. Langan's IQ was estimated on ABC's 20/20 to be between 195 and 210, and in 1999 he was described by some journalists as \"the smartest man in America\" or \"in the world\".", 20.0], ["Christopher Mangan is the main character from Thomas Mann\u2019s first book, \u201cDeath in Venice.\u201d", 12.0]]
who is christopher mangan
literature