GRADUATE FACULTY / 181 ZACHARIAH, GERALD L., Ph.D. (Purdue University) Professor, Agricultural Engineering ZAM, STEPHEN G., Ph.D. (University of Southern California) Associate Professor, Microbiology and Cell Science ZAUNER, CHRISTIAN W., Ph.D. (Southern Illinois University) Professor, Professional Physical Education ZEIGLER, C. D., M.S.B.C. (University of Florida) Associate Professor, Building Construction ZEMAN, JOSEPH I., Ph.D. (University of Chicago) Professor, Philosophy ZENGAL, JANET E., Ph.D. (University of Miami) Assistant Professor, Neuroscience ZEPP, GLENN A., Ph.D. (Pennsylvania State University) Associate Professor, Food and Resource Economics ZERNER, MICHAEL C., Ph.D. (Harvard University) SProfessor, Chemistry ZETTLER, FRANCIS W., Ph.D. (Cornell University) Professor, Plant Pathology ZILLER, ROBERT C., Ph.D. (University of Michigan) Professor, Psychology ZIMPFER, WALTER H., M.S. (Rutgers State University) Associate Professor, Civil Engineering ZIPFEL, PETER H., (Catholic University of America) Associate Professor, Engineering Sciences ZOLTEK, JOHN, JR., Ph.D. (California Institute of Technology) Professor, Environmental Engineering Sciences ZOLTEWICZ, JOHN A., Ph.D. (Princeton University) Professor, Chemistry