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.
Ivan the Terrible Ivan IV Vasilyevich (Russian: Ива́н Васи́льевич , "Ivan Vasilyevich" ; 25 August 1530 – 28 March [O.S. 18 March] 1584 ), commonly known as Ivan the Terrible or Ivan the Fearsome (Russian:    , "Ivan Grozny"; a better translation into modern English would be "Ivan the Formidable"), was the Grand Prince of Moscow from 1533 to 1547, then "Tsar of All the Russias" until his death in 1584. The last title was used by all his successors.