On 13 February 1974 the Russian dissident writer was sent into exile in the West. His most famous book, the Gulag Archipelago, had charted the abuses in the prison camps of Siberia.

Listen to the memories of Solzhenitsyn's widow, Natalia.

(Photo: Aleksandr Solzhenitsyn on his arrival in Germany on 13 February 1974. Credit: Getty Images)