Five civilians released by North Korea in the first prisoner exchange of the Korean War, pictured in Berlin on their arrival from Moscow: George Blake, former British Vice-Consul, Korea; Bishop A.G.Cooper, Anglican Bishop of Korea; Commissioner Lord, Salvation Army; Norman Owen, Legation Clerk, and Mgr. Quinlan, Irish missionary priest. George Blake, an MI6 agent, was later sent to work in Berlin to recruit Soviet officers as double agents. Having made contact with the KGB, Blake himself became a Soviet agent. Exposed in 1961 he was sentenced to 42 years imprisonment but escaped in 1966 and fled to Moscow.