I'm Tom Duff, computer programmer, experimental music devotee, family enthusiast.
Minimal-Energy Clusters of Hard Spheres in Discrete Computational Geom. 14, pp 237-259 (1995) is by N. J. A. Sloane, R. H. Hardin, T. S. Duff and J. H. Conway. Conway's Erdős number is 1, so mine is 2.