Huazhong Agricultural University, China

Professor of Entomology

Professor, Brigham Young University

Professor of Weed Science, University of Massachusetts Amherst

Emeritus Professor of Crop Sciences, University of Illinois

University of Arkansas

Professor of Turfgrass Culture and Physiology, University of Delaware

Senior Lecturer, The University of Western Australia

Professor of Horticulture, Iowa State University

Rutgers University