Daniele Armaleo Associate Professor of the Practice Emeritus of Biology darmaleo@duke.edu Peter H. Klopfer Professor Emeritus of Biology phk@duke.edu Alexander Motten Associate Professor of the Practice Emeritus of Biology afmotten@duke.edu R. Bruce Nicklas Arthur S. Pearse Distinguished Professor Emeritus bnicklas@duke.edu Richard B. Searles Professor Emeritus of Botany searles@duke.edu Kathleen Kovalevski Smith Professor Emerita of Biology kksmith@duke.edu Kathleen Smith's webpage Vance A. Tucker Professor Emeritus of Zoology vtucker@duke.edu Richard A. White University Distinguished Service Professor Emeritus of Botany