Gendun Chopel (1903-51) was born in northeast Tibet as British troops were preparing to invade his homeland. Identified at any early age as the incarnation of a famous lama, he became a Buddhist monk, excelling in the debating courtyards of the great monasteries of Tibet. At the age of thirty-one, he gave up his monk's vows and set off for India, where he would wander, often alone and impoverished, for over a decade. Returning to Tibet, he was arrested by the government of the young Dalai Lama on trumped-up charges of treason, emerging from prison three years later a broken man. He died in 195...