With his wife , Hannah Nydahl ( 1946 - 2007 ) , he founded Diamond Way Buddhism , a worldwide Karma Kagyu Buddhist organization of lay practitioners .
Since the early 1970s , Nydahl has toured the world giving lectures and meditation courses .
With Nydahl 's wife , Hannah Nydahl ( 1946 - 2007 ) , he founded Diamond Way Buddhism , a worldwide Karma Kagyu Buddhist organization of lay practitioners .
Since the early 1970s , Nydahl has toured the world giving lectures and meditation courses .