Siddhartha Guatama,\ the son of a Nepalese raja, was said to have lived a life of ease until the age of 30, when he gave himself over to years of contemplation, denying himself the riches he had once enjoyed, and finally reached a state of enlightenment while sitting beneath a tree. From that point on he was known as Buddha, the Awakened, and became a wandering teacher, sharing his beliefs with others. In The Complete Idiot's Guide to the Life of...