  |
Tom Leighton - http://theory.csail.mit.edu/~ftl/
Algorithms for network applications and cryptography. |
  |
Neil James Alexander Sloane - http://www.research.att.com/~njas/
Combinatorics, integer sequences, codes, sphere packings, graphs and lattices. |
  |
Brendan McKay - http://cs.anu.edu.au/~bdm/
Combinatorics, graph theory and related software. |
  |
Alan Frieze - http://www.math.cmu.edu/~af1p/
Probabilistic combinatorics, theoretical computer science and operations research. |
  |
Fan Chung Graham - http://math.ucsd.edu/~fan/
Ramsey theory, spectral graph theory. |