Book excerpt: The Buddha from Dolpo examines the life and thought of the Tibetan Buddhist master, Dolpopa Sherba Gyaltsen (1292-1361). known as The Buddha from Dolpo, he was one of the most important and original thinkers in Tibetan history, and perhaps the greatest expert on the Tantric teachings of the Kalachra or Wheel of Time .based largely upon esotric Buddhist knowledge believed to be preserved in the legendary land of Shambhala, Dolpopa`s theories continue to excite controversy in Tibetan Buddhism after almost 700 years.