Givens David

Louisiana State University Cecilia Townsend, North Carolina State University Charles B. Smith, University of Mississippi H. Roland Zapp, Michigan State University Stephen M. Phillips, Case Western University Robin N. Strickland, University of Arizona David N. Cowling, Louisiana Tech University Jean-Pierre R. Bayard, California State University Jack C. Lee, University of Texas at Austin E. L. Gerber, Drexel University vii The first author wishes to express his appreciation to his…