When did the husband of Rufina Ivanovna Pukhova die?
Kim Philby Harold Adrian Russell "Kim" Philby (1 January 1912 – 11 May 1988) was a high-ranking member of British intelligence who worked as a double agent before defecting to the Soviet Union in 1963. He served as both an NKVD and KGB operative.
Nikolai Chekhov Nikolai Pavlovich Chekhov (Russian: Николай Павлович Чехов ; May 23, 1858 – June 29, 1889) was a Russian painter and the brother of Anton Chekhov.