Christopher I. Beckwith is professor of Central Eurasian studies at Indiana University, Bloomington. His books include Warriors of the Cloisters, Empires of the Silk Road, and The Tibetan Empire in Central Asia (all Princeton). He is the recipient of a MacArthur Award. How a Greek philosopher's encounters with Buddhism in Central Asia influenced Western philosophy Pyrrho of Elis went with Alexander the Great to Central Asia and India during the...

"Beginning in the fifth century A.D., various Indian mystics began to innovate a body of techniques with which to render themselves immortal. These people called themselves Siddhas, a term formerly reserved for a class of demigods, revered by Hindus and Buddhists alike, who were known to inhabit mountaintops or the atmospheric regions. Over the following five to eight hundred years, three types of Hindu Siddha orders emerged, each with its own specialized...