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" -- wikipedia.
Albert Einstein
German-born theoretical physicist who is widely held to be one of the greatest and most influential scientists of all time -- wikipedia.
Stephen Wolfram
Priority request. British-American computer scientist, physicist, and businessman. He is known for his work in computer science, mathematics, and theoretical physics -- wikipedia
Soborno Isaac Bari
Request: 11 year old math professor
Robert Edward Grant (polymath)
Priority request. Grant is "a prodigious artist, sculptor, music theorist, musician, and author of several research and patent publications spanning biology, DNA combinatorics, number theory, geometry, and physics" -- his website
Edward Witten (genius)
a researcher in string theory, quantum gravity, supersymmetric quantum field theories, and other areas of mathematical physics. Witten's work has also significantly impacted pure mathematics... he is considered the practical founder of M-theory --wikipedia
Stephen Hawking
theoretical physicist, cosmologist, and author... Hawking's scientific works included a collaboration with Roger Penrose on gravitational singularity theorems in the framework of general relativity, and the theoretical prediction that black holes emit radiation --wikipedia
Mensa
the only relevant qualification for membership is scoring within the upper 2% of the general population on an approved intelligence test. Mensa takes no stand on politics, religion or social issues --mensa.org
Leonardo da Vinci
His creative works are at 565 in TvF.
Dean Kamen
Inventor of the Segway and holder of 1,000 patents
Akiane Kramarik
young genius artist famous for her Jesus portraits
Neil deGrasse Tyson
3 calibrations: personal LoC, social impact, bonus calibration. [paid-subscriber access]