The soul's immortality and its repeated earthly births are not new ideas in Western thought. They are implicit in the Pythagorean and Platonic traditions, as well as in some branches of esoteric Judaism and Cabbala. But it was not until the early years of this century that the West was given a detailed, modern, evolutionary philosophy of human life based on the reality of reincarnation and karma. This turning point occurred when Rudolf Steiner...