I don't think he's got any. :)
If you go to the One.org website, there is an email form.
I think its some guy in Russia.... some mathamatician...Grigory Perelman..... But Brian Cox cant be far off....
Perelman Medical College
Jacob Perelman was born in 1999.
Bob Perelman was born in 1947.
Ivo Perelman was born in 1961.
Perelman Building was created in 1926.
Chaïm Perelman died in 1984.
Chaïm Perelman was born in 1912.
Yakov Perelman died in 1942.
Yakov Perelman was born in 1882.
At the moment it is probably Grigory Perelman, who used surgeries on the Ricci flow to solve Thurston's conjecture on geometrization, of which the Poincare is a special case. Historically Euler, Hilbert, Galois, Riemann are all in the top ten.