Dr. Estella Leopold, youngest daughter of Aldo Leopold, is Emeritus Professor of Botany and past director of the Quaternary Research Center at the University of Washington. Dr. Leopold was elected to the National Academy of Sciences and American Philosophical Society. Her research interests and publications focus on paleobotany, forest history, restoration ecology, and environmental quality. She studies fossil pollen and seeds to reconstruct ancient vegetation and climate in Alaska, China, and the western U.S. Her conservation activites focus on forest management issues.