Peter F. Barth

Peter Felix Barth (also known as Lama Thapkhay) (born 1956) is an American writer specializing in the mind teachings of Tibetan Buddhism. In statistical mechanics, he was responsible for an exact solution to the Ising model for highly-branched, closed-Cayley trees, an area of interest in neurophysics and neural networks.

He has a background in neurophysics, engineering and education, having served as adjunct professor in Information Systems Management (ISM) at the University of San Francisco.

As a Buddhist educator and writer, he has written and published comprehensive guides to the meditation disciplines of Mahamudra and Dzogchen, the pinnacle of the practices of the Kagyu and Nyingma lineages, respectively, including one recommended for seminary and public libraries by the Library Journal.