J. Richard Landis

J. Richard Landis is an American biostatistician and Emeritus Professor of Biostatistics in the Perelman School of Medicine at the University of Pennsylvania, where he is also the senior vice chair of the Department of Biostatistics, Epidemiology and Informatics, director of the Biostatistics Unit within the Center for Clinical Epidemiology and Biostatistics, and faculty Director of the Clinical Research Computing Unit. Provided by Wikipedia