Original: In December 1969Official letter from Shamar Rinpoche , 1983 Retrieved 2009-03-02 - Also available in Riding the Tiger ( 1992 ) Ole and Hannah Nydahl met the 16th Karmapa , Rangjung Rigpe Dorje , a renowned yogi and the head of the Karma Kagyu lineage .
Simplified: In December 1969A Letter from Shamar Rinpoche , [ ] Ole Nydahl and his late wife , Hannah Nydahl met the 16th Karmapa , Rangjung Rigpe Dorje , a renowned yogi and the head of the Karma Kagyu lineage .