Andrew C. MillerBethesda, Maryland, United States With the exception of the hospital at Jundi-Shapur, hospitals and medical centers as we know them are not known to have existed before AD 400.1 In the late Sassanid period, a considerable scientific movement grew in Persia.2 Jundi-Shapur (Genta Shapitra in Pahlavi, Gondi Shapur in Farsi, Beth Lapat in…