Todd A. Letsche is currently employed as an Intern Programmer with the Information Sciences Research Group at Bell Communications Research (Bellcore) Inc. in Morristown, NJ. In 1992 he received the Bachelor of Arts degree in Computer Science and Mathematics from Wartburg College in Waverly, IA. He completed an M.S. in Computer Science at the University of Tennessee in 1996. His current contact address is Bellcore - Room 1A332B, 445 South Street, Morristown, NJ 07960-6438. His electronic mail address is letsche@cs.utk.edu.
Michael W. Berry is an Assistant Professor in the Department of Computer Science at the University of Tennessee, Knoxville. He received a Ph.D. in Computer Science from the University of Illinois at Urbana-Champaign in 1990, and an M.S. in Applied Mathematics from North Carolina State University at Raleigh in 1983. His current interests include scientific computing, parallel algorithms, information retrieval applications, and computer performance evaluation. He is a member of the ACM, SIAM, and the IEEE Computer Society. His contact address is the Department of Computer Science, University of Tennessee, 107 Ayres Hall, Knoxville, TN 37996-1301. His electronic mail address is berry@cs.utk.edu.