Glenn R. Storey is an associate professor jointly appointed in the departments of Classics and Anthropology at the University of Iowa, United States. His specialties include demography of the city of Rome, the economy of the Roman empire, the archaeology of ancient cities, and the use of ground-penetrating radar in archaeology (employed in both Sicily and Iowa). His most recent publication is 2017 Rome and the Classic Maya: Comparing the Slow Collapse of Civilizations(Routledge) jointly authored with his sister, Dr. Rebecca Storey, a Mayanist at the University of Houston. Gangivecchio is featured in that publication, as an example of the ups and downs that cultures go through in their long histories.