Comments:
BS degree U of A, Tucson 1962
MS degree U of A, Tucson 1965
Ph.D. Louisiana State Univ., Baton Rouge, LA 1970
Post doctoral appointment, MD Anderson Hospital and Tumor Institute, Univ. Texas, Houston,1970-1971
Assistant Professor, Louisiana State Univ., Baton Rouge, LA 1971
Assistant Professor, Tulane Univ., New Orleans, LA 1971-1972
U.S. Fish and Wildlife Service/Curator of Mammals, National Museum of Natural History, Smithsonian Institution, Washington, DC 1973 to present (Agency shift to National Biological Survey in 1993; and to U.S. Geological Survey in 1996).
Conducted field research in Mexico, Guatemala, Costa Rica (resident 1966-1967), Panama, Colombia, Ecuador, Peru, Venezuela, and Brazil.
Published over 150 scientific paper (including editing 2 books). Described 2 genera and 18 species and subspecies of mammals.