Prokof'yev [Prakóffyiff] (Prokofieff, Prokofiev), Sergey Sergeyevich (4–11/23–1891 [according to the composer's autobiography] or 4–15/27 [according to the Registrar of Births in the Peter-Paul Church in Sontsovka], Sontsovka, Yekaterinoslav distr.; 3–5–1953, M.). Pianist, cond., and comp. Prokof'yev was the only child of a middle-class family belonging to the intelligentsia during the last years of tsarist rule in Russia. His father was an agronomist who managed a large estate in the Ukraine…