Robert Latham is a senior scientific programmer at Argonne National Laboratory. After earning his B.S. (1999) and M.S. (2000) degrees in computer engineering at Lehigh University (Bethlehem, PA), he worked at Paralogic, Inc., a Linux cluster start-up. His work with cluster software including MPI implementations and parallel file systems led him to Argonne, where he has spent the past 8 years.