James A. Yorke
Coined the term "chaos".

Mitchell Feigenbaum
Pioneered bifurcations in the mid 70s and for whom the Feigenbaum tree is named.

Dynamical Systems List
A search form for a list of people working in the area.

Who Is Who Handbook of Nonlinear Dynamics
Searchable list of people working in nonlinear dynamics.

Marsden, Jerrold
Division of Engineering and Applied Science at the California Institute of Technology. Specializes in control and dynamical systems. Includes course notes, published works, post doctorate education and conferences attended.