The first Jewish communities in Salerno came with the Roman conquest of the area. A Latin tombstone of the daughter of a rabbi called Abundantius shows that a Jewish settlement existed in Salerno as early as the 3rd or 4th century. In the Middle Ages the town was the seat of a famous medical school founded in about 800. According to tradition, its founders included not only an Arab, a Greek, and a Latin, but also a Jewish teacher. Jews are mentioned in the town from 872, and the Jewish quarter (Judaica) of Salerno in a document of 1005. *Benjamin of Tudela, who visited Salerno around 1159, found there about 600 Jews, including several scholars. As a result of the persecutions in south Italy around 1290–94, 150 Jewish families were converted, but many continued secret allegiance to Judaism. In 1485 R. Obadiah of *Bertinoro was for some months in Salerno and apparently frequented the medical school. With the expulsion of the Jews from the Kingdom of *Naples in 1510, the much-reduced Jewish community of Salerno also ceased to exist.