People

Ashay Dharwadker
Algebra, topology, graph theory and theoretical computer science.
http://www.geocities.com/dharwadker/profile.html

Bela Bollobas
Functional analysis, combinatorics and graph theory.
http://www.msci.memphis.edu/faculty/bollobasb.html

Binh Minh Bui Xuan
Graph theory, graph algorithms and computation.
http://www.lirmm.fr/~buixuan/

Dan Archdeacon
Topological graph theory, combinatorics, theoretical computer science.
http://www.emba.uvm.edu/~archdeac/

David Penman
Random graphs, computational combinatorics.
http://www.essex.ac.uk/maths/staff/penman/

Erdos Number Project
List of people with Erdos number at most 2.
http://www.oakland.edu/enp/

Fabien de Montgolfier
Modular decomposition, graph theory and algorithms.
http://www.liafa.jussieu.fr/~fm/

Gordon Royle
Algebraic graph theory.
http://www.csse.uwa.edu.au/~gordon/

Graph Theory White Pages
Directory of graph theorists maintained by Daniel P. Sanders.
http://www1.cs.columbia.edu/~sanders/graphtheory/people/

Hubert de Fraysseix
Topological graph theory and combinatorics.
http://www.ehess.fr/centres/cams/person/hf/index.html

Julien Moncel
Identifying codes in graphs, combinatorics, graph theory and computer science.
http://www.g-scop.fr/~moncelj/

Keith Edwards
Harmonious colourings and achromatic number.
http://www.maths.dundee.ac.uk/~kedwards/

Pirzada Shariefuddin
Graph theory and applications.
http://www.geocities.com/dharwadker/pirzada/

Rich Lundgren
Applied graph theory and combinatorial matrix theory.
http://www-math.cudenver.edu/~rlundgre/

Stephen C. Locke
Graph theory and algorithms.
http://www.math.fau.edu/locke/

Tom Whaley
Formal development of programs, Steinhaus graphs, parallel computing.
http://home.wlu.edu/~whaleyt/