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.
Alexei Ivanovich Abrikosov Alexei Ivanovich Abrikosov (Russian: Алексе́й Ива́нович Абрико́сов ) (January 18, 1875 – April 9, 1955) was a Russian/Soviet pathologist and a member of the Soviet Academy of Sciences (since 1939) and the Soviet Academy of Medical Sciences (since 1944).