1. Sydney Brenner is a professor at the Crick Jacobs Center for Theoretical and Computational Biology, Salk Institute for Biological Studies, La Jolla, CA.
2. Terrence J. Sejnowski is a Howard Hughes Medical Institute Investigator at the Salk Institute for Biological Studies, La Jolla, CA, and a professor in the Department of Biological Sciences at the University of California at San Diego, La Jolla, CA.