When did the husband of Rufina Ivanovna Pukhova die?
Rufina Pukhova Rufina Ivanovna Pukhova (Russian: Руфина Ивановна Пухова ; born 1 September 1932) is a Russian memoir writer. She was the last wife of Kim Philby, a KGB double agent who rose in rank through British Intelligence along with the Cambridge Five. She met Philby through George Blake. Pukhova and Philby married in 1971. She is the author of "The Private Life of Kim Philby: The Moscow Years" (2000). Pukhova was born in Moscow to a Russian father and a Polish mother.
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.