Acklam, Peter J.: Author of the PNM Toolbox and other utilities.
Alsberg, Bjørn K.: Author of the VRML Molecule Toolbox, the Gaussian Toolbox, the MORPHY Toolbox, the HTML Toolbox, and the LaTeX Toolbox.
Benamou, Jean-David: Author of GROLAB, a MATLAB GUI for easy interactive Ray Tracing in 2-D.
Drasco, Steve: MATLAB applied to human powered vehicles, radon, hamiltonian integrators, string theory, and gravity waves.
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).
Nilsen, Jan Even Øie: Geophysical Institute, UiB. Lists routines for downloading.
Polking, John C.: Author of "Ordinary Differential Equations using MATLAB". His page also has a small collection of useful educational programs available for download.