Benamou, Jean-David
Author of GROLAB, a MATLAB GUI for easy interactive Ray Tracing in 2-D.

Polking, John C.
Author of "Ordinary Differential Equations using MATLAB". His page also has a small collection of useful educational programs available for download.

Higham, Nick
Manchester Centre for Computational Mathematics. Research Interests: Numerical linear algebra; Numerical analysis; Scientific computation. Author, with Desmond J. Higham, of MATLAB Guide (SIAM, August 2000).

Drasco, Steve
MATLAB applied to human powered vehicles, radon, hamiltonian integrators, string theory, and gravity waves.

Nilsen, Jan Even Øie
Geophysical Institute, UiB. Lists routines for downloading.

Alsberg, Bjørn K.
Author of the VRML Molecule Toolbox, the Gaussian Toolbox, the MORPHY Toolbox, the HTML Toolbox, and the LaTeX Toolbox.

Portegies Zwart, Joris
Includes a tutorial on using the Neural Network Toolbox and a function for sending email directly from MATLAB.

Acklam, Peter J.
Author of the PNM Toolbox and other utilities.