P. D. Ouspensky

(Pyotr Demyanovich Uspensky)

(n. 5 Mar 1878 – m. 2 Oct 1947)

"Peter D. Ouspensky (March 4, 1878–October 2, 1947), (Pyotr Demianovich Ouspenskii, also Uspenskii or Uspensky, Пётр"