ry) in the United States or abroad. He earned an M.S. in mathematics from Ohio State in 1969 and a Ph.D. in statistics and biostatistics from Ohio State in 1971. His dissertation was titled “Utilizing Initial Estimates in Estimating the Coefficients in a General Linear Model.”
He has held professorial appointments at eight universities (Princeton, the University of Pennsylvania, Stanford, Arizona State University, Johns Hopkins University Bloomberg School of Public Health and School of Medicine, Ohio State, Virginia Tech, and the University of Michigan), and has also held research faculty appointments at several other institutions (including, from 2014 to 2016, the Mayo Clinic). His full-time and part-time appointments have been in twenty-three disciplines, including statistics, biostatistics, epidemiology, public health, social methodology, psychiatry, mathematics, sociology, political science, economics, and biomedical informatics.