S. R. Srinivasa Varadhan of New York University’s Courant Institute of Mathematical Sciences is a probabilist who has worked on different aspects of stochastic processes. A major part of his work is related to large deviations, which estimates the probability of rare events.
Elias Stein, a professor emeritus of mathematics at Princeton University, is a leading figure in the field of harmonic analysis. He is best known for his contributions to Calderón–Zygmund theory.
The 2012 Abel Prize winner, Endre Szemerédi is a Hungarian-American mathematician who has made several discoveries in combinatorics and computer science.
Vera Sós is a Hungarian mathematician based at Eötvös Loránd University in Budapest. She specializes in number theory and combinatorics and has frequently collaborated with Paul Erdős, Alfréd Rényi and her husband Pál Turán.
Ron Graham is an American mathematician who is known for his work in scheduling theory, computational geometry, Ramsey theory, quasi-randomness and juggling.