Dan Diffendale



Project title: Stoneworking traditions in the volcanic tuff masonry of Archaic Campania in their regional context

B.A. (2005), Classical Studies, University of Pennsylvania, Philadelphia

Ph.D. (2017), Classical Art & Archaeology, University of Michigan, Ann Arbor


2012-2013 Regular Member, American School of Classical Studies at Athens

2019-2020 Rome Prize Fellow, American Academy in Rome


P. Brocato, D. Diffendale, D. Di Giuliomaria, M. Gaeta, F. Marra, N. Terrenato, “Identification of a Previously Unknown Tuff for the Construction of the Archaic Temple Podium at Sant’Omobono, Rome.” Journal of Mediterranean Archaeology 32,1 (2019), 114–136.

D.P. Diffendale, “Disiecta Fictilia: Republican-era moldmade architectural terracottas from the magazzino at Sant’Omobono.” In P. Brocato, M. Ceci & N. Terrenato (Eds.), Ricerche nell’area dei templi di Fortuna e Mater Matuta. Vol. II. Università della Calabria, pp. 159–175.

D.P. Diffendale, “A note on the provenience of the Late Archaic terracottas.” In Brocato, Ceci & Terrenato (Eds.), pp. 153–57.


D.P. Diffendale, F. Marra, M. Gaeta & N. Terrenato, “Combining geochemistry and petrography to provenance Lionato and Lapis Albanus tuffs used in Roman temples at Sant’Omobono, Rome, Italy.” Geoarchaeology 2018, 1–13. https://doi.org/10.1002/gea.21702

I. Battiloro, M. Mogetta, M. Barretta, D.P. Diffendale, L. D’Esposito, M.C. Harder, G. Pardini, M. Pignataro, A. Russo & I. Varriale, “New Investigations at the Sanctuary of Venus in Pompeii: Interim Report on the 2017 Season of the Venus Pompeiana Project.” Fasti Online Documents & Research, no. 425.


D.P. Diffendale, P. Brocato, N. Terrenato & A.L. Brock, “Sant’Omobono: an interim status quaestionis.” Journal of Roman Archaeology 29, 7–42.

D.P. Diffendale, “Five Republican monuments. On the supposed building program of M. Fulvius Flaccus.” In P. Brocato, M. Ceci & N. Terrenato (Eds.), Ricerche nell’area dei templi di Fortuna e Mater Matuta. Vol. I. Università della Calabria, pp. 141–166.

Encyclopedia and Database Entries:


D.P. Diffendale, “Temples of Mater Matuta and Fortuna at Sant’Omobono,” Database of Religious History (DRH), Religious Place Poll, Vancouver, BC: University of British Columbia (DOI pending). https://religiondatabase.org/browse/663/


D.P. Diffendale, “Dinsmoor Sr., William Bell” and “Thompson, Homer.” In: C. Smith (Ed.) Encyclopedia of Global Archaeology. Springer-Verlag.