Sigler, Paul B., M.D., Ph.D. 
Simpson, Larry, Ph.D. 
Spradhng, Allan C, Ph.D. 
Steitz, Joan A., Ph.D. 
Steitz, Thomas A., Ph.D. 
Stevens, Charles F., M.D., Ph.D. 
Siidhof, Thomas C, M.D. 
Tilghman, Shirley M., Ph.D. 
^Tjian, Robert, Ph.D. 
Tonegawa, Susumu, Ph.D. 
Tsien, Roger Y., Ph.D. 
Valle, David L., M.D. 
Watterson, D. Manin, Ph.D. 
Weintraub, Harold M., M.D., Ph.D. 
Weissman, Irving L., M.D. 
Welsh, Michael J., M.D. 
White, Raymond L., Ph.D. 
Wiley, Don C, Ph.D. 
Williams, Lewis T., M.D., Ph.D. 
Witte, Owen N., M.D. 
Woo, Savio L. C, Ph.D. 
Yau, King-Wai, Ph.D. 
Young, Michael W., Ph.D. 
Ziff, Edward B., Ph.D. 
ASSOCIATE INVESTIGATORS 
Agard, David A., Ph.D. 
Aldrich, Richard W., Ph.D. 
Beutler, Bruce A., M.D. 
Bevilacqua, Michael P., M.D., Ph.D. 
Bottomly, H. Kim, Ph.D. 
Chaplin, David D., M.D., Ph.D. 
Corden, Jeffry L., Ph.D. 
Corey, David P., Ph.D. 
Crabtree, Gerald R., M.D. 
Craig, Nancy L., Ph.D. 
CuUen, Bryan R., Ph.D. 
Desiderio, Stephen V., M.D., Ph.D. 
Desplan, Claude, Ph.D. 
Emr, Scott D., Ph.D. 
Feinberg, Andrew P., M.D., M.P.H. 
Fox, Robert O., Ph.D. 
Ganem, Donald E., M.D. 
Ginsburg, David, M.D. 
Horwich, Arthur L., M.D. 
Huganir, Richard L., Ph.D. 
Hurley, James B., Ph.D. 
Jahn, Reinhard, Ph.D. 
Kadesch, Thomas R., Ph.D. 
Korsmeyer, Stanley J., M.D. 
Leiden, Jeffrey M., M.D., Ph.D. 
Lerner, Michael R., M.D., Ph.D. 
Littman, Dan R., M.D., Ph.D. 
Loh, Dennis Y.-D., M.D. 
Nabel, GaryJ., M.D., Ph.D. 
Nathans, Jeremy, M.D., Ph.D. 
Nussbaum, Robert L., M.D. 
Nusse, Roeland, Ph.D. 
Peterlin, B. Matija, M.D. 
Pike, Linda J., Ph.D. 
Reed, Randall R., Ph.D. 
Reeders, Stephen T., M.D. 
Sadler, J. Evan, M.D., Ph.D. 
Scheller, Richard H., Ph.D. 
Schoolnik, Gary K., M.D. 
Siegelbaum, Steven A., Ph.D. 
Sprang, Stephen R., Ph.D. 
Sternberg, Paul W., Ph.D. 
Struhl, Gary, Ph.D. 
Taub, Rebecca A., M.D. 
Thompson, Craig B., M.D. 
Warren, Stephen T., Ph.D. 
Weiss, Arthur, M.D., Ph.D. 
Yanagisawa, Masashi, M.D., Ph.D. 
Zipursky, S. Lawrence, Ph.D. 
Zuker, Charles S., Ph.D. 
ASSISTANT INVESTIGATORS 
Alexander-Bridges, Maria C, M.D., Ph.D. 
Anderson, David J., Ph.D. 
Barsh, Gregory S., M.D., Ph.D. 
Beachy, Philip A., Ph.D. 
Bellen, Hugo J., D.V.M., Ph.D. 
Belmont, John W., M.D., Ph.D. 
Bjorkman, Pamela J., Ph.D. 
Bonadio, Jeffrey F., M.D. 
Brown, Patrick O., M.D., Ph.D. 
Briinger, Axel T., Ph.D. 
Burley, Stephen K., M.D., D.Phil. 
Carroll, Sean B., Ph.D. 
Church, George M., Ph.D. 
Cohen, Stephen M., Ph.D. 
Cunningham, James M., M.D. 
Davis, C. Geoffrey, Ph.D. 
Davis, Laura I., Ph.D. 
Davis, Roger J., Ph.D. 
Duyk, Geoffrey M., M.D., Ph.D. 
Ellis, Leland, Ph.D. 
Friedman, Jeffrey M., M.D., Ph.D. 
Geliebter, Jan, Ph.D. 
George, Donna L., Ph.D. 
Ghosh, Sankar, Ph.D. 
Gitschier, Jane M., Ph.D. 
Gomer, Richard H., Ph.D. 
Goodnow, Christopher C, B.V.Sc, Ph.D. 
Grosschedl, Rudolf, Ph.D. 
Hazelrigg, Tulle I., Ph.D. 
Holers, V. Michael, M.D. 
Isberg, Ralph R., Ph.D. 
Jacobs, William R., Jr., Ph.D. 
XX 
