Karma Lingpa was a 14th Century Tibetan Buddhist master best known as the tertön ("treasure revealer") who discovered the Bardo Tödröl (Eng: "Liberation Through Hearing in the Intermediate State" Tib: བར་དོ་ཐོས་གྲོལ), said to have been written and hidden by the great Indian adept Padmasambhava, who brought Buddhism to Tibet in the 8th Century.