BA, PhD, Dr. rer. nat. habil., Universität Würzburg, Germany
BSc, PhD, Australian National University
BA, PhD, University of Colorado
BS, City College of New York; PhD, University of Florida
BA, Kansas State University; MS, University of Nebraska at Lincoln; PhD, Harvard University
BS, Ferris State University; MS, PhD, Michigan Technological University
BA, Grinnell College; MA, PhD, University of Kansas
BA, University of Colorado; MS, San Diego State University; PhD, Duke University
BA, Smith College; PhD, University of Massachusetts
