William C. Marquardt is Emeritus Professor of Zoology at Colorado State University, Fort Collins, where he has been affiliated since 1966. Professor Marquardt received his Ph.d. from the University of Illinois, Urbana in 1954. He was a member of the Center of Zoonoses Research at the Unversity of Illinois from 1962-66 and Associate Director of the Arthropod-Borne and Infectious Diseases Laboratory at Colorado State University from 1987 to 1995. His publications include approximately 75 refereed papers in periodicals, four books, as well as book reviews and chapters.