CHOKGYUR LINGPA (1829-70) A treasure revealer and contemporary of Jamyang Khyentse Wangpo and Jamgon Kongtrul. He is regarded as one of the major tertons in Tibetan history, and his termas are widely practiced by both the Kagyu and Nyingma schools. JAMGON KONGTRUL(1813-99) A leader at the forefront of the nonsectarian rimey movement in the nineteenth century, he is renowned as an accomplished master, scholar, and writer, authoring more than one hundred volumes of scripture. The most well-known are his Five Treasuries, and the sixty-three volumes of the Rinchen Terdzo, the collected terma literature of the one hundred great tertons. He is also known as Lodro Thaye and by his terton name Chimey Yungdrung Lingpa. LAMA PUTSE PEMA TASHI (1924-88) An accomplished Vajrayana master and practitioner, known for his knowledge about ritual. ORGYEN TOPGYAL RINPOCHE (1952- ) One of the greatest living Vajrayana masters of our current time. TULKU URGYEN RINPOCHE(1920-96) A holder of the Kagyu and Nyingma traditions who was among Tibetan Buddhism's greatest masters of the 20th century, and pivotal in bringing Dzogchen to the West.