ouspensky

noun

1. Pe·ter De·mia·no·vich [pee-ter di-myah-nuh-vich; Russian pyawtr dyi-myah-nuh-vyich] /ˈpi tər dɪˈmyɑ nə vɪtʃ; Russian ˈpyɔtr dyɪˈmyɑ nə vyɪtʃ/, 1878–1947, Russian philosopher and author.