Roger Shaler Bagnall
(b. August 19 1947
) is a classical scholar
. He was a professor of classics and history at Columbia University
from 1974 until 2007, when he took up the position of first Director of the Institute for the Study of the Ancient World
(ISAW) at New York University
He has published several works on the history of Ancient Greece and Ancient Egypt, as well as papyrology. Bagnall studied at Yale University (B.A., 1968) and University of Toronto (M.A., 1969; Ph.D., 1972).