Dr. Daniel A. Griffith is an Ashbel Smith Professor Emeritus of Geospatial Information Sciences atthe University of Texas at Dallas, United States; a past affiliated Professor in the College of PublicHealth at the University of South Florida, United States; and an Adjunct Professor in the Departmentof Resource Economics and Environmental Sociology at the University of Alberta, Canada. Hespecializes in spatial statistics, quantitative-urban-economic geography, and urban public health.