The doctrines of this school were a fusion of Eastern and Western thought, typically combining in varying proportions elements of Hellenistic and Jewish philosophy, but also in the case of Pyrrhonism elements of Buddhism that had been brought back from India by the ancient Greek philosopher Pyrrho of Elis and of which the Alexandrian school philosopher Aenesidemus (c. first century BC) was particularly influential. The Stromata of Clement of Alexandria contains the earliest surviving mention of the Buddha in Western literature.[6]