Healers tended to rely on herbs and common ingredients that
they could grow or easily gather. More advanced medical professionals
often requested ingredients that had to be imported,
and for which they turned to apothecaries, the forerunner of
today’s pharmacist. Apothecaries always maintained full stocks
of the more popular herbal cures and spices, such as saffron,
"background made him attractive enough that he was invited
to base himself in Italy at the Schola Medica Salernitana
(Salerno). Many of the works of Greek and Roman philosophers
and physicians, including Galen and Hippocrates, had
been preserved by the Islamic countries and translated into
Arabic.