Ouspensky, Peter Demianovich (1878–1947)

Russian mystic. He became a disciple of the occultist George Gurdjieff in 1914 but broke with him in 1924. He expanded Gurdjieff's ideas in terms of other dimensions of space and time. His works include In Search of the Miraculous.

Ouspensky was born in Moscow and became a journalist. Other works include Tertium Organum 1912 and A New Model of the Universe.