Terrence Tao, He is a mathematician of Australian and American roots. If you think that math is hard enough, just take a peek into the subfields that Tao is involved with: additive combinatorics, analytic number theory, ergodic Ramsey theory, harmonic analysis, partial differential equations and random matrix theory.
A recipient of the Fields medal in 2006, Tao holds the James and Carol Collins chair in mathematics at the University of California, Los Angeles. He has had good training, learning math when he was barely a toddler, solving arithmetic problems at two years old, studying college level math at nine and getting a gold medal in the international math Olympiad when he was 13. He got his PhD when he was only 20 from Princeton and became a full professor at UCLA when he was 24. He has already published 230 research papers
