Yosef Mendelevitch issues in 1969. Being repeatably refused the right to immigration, he became one of the leaders of the Dymshits–Kuznetsov hijacking affair, recounted in his 2012 memoir, "Unbroken Spirit". As punishment, he was imprisoned for eleven years. During the imprisonment he was punished for keeping Jewish precepts. In 1981, after a worldwide struggle, he was released and immigrated to Israel. He served in Soviet prisons with famous Jewish dissident Natan Sharansky (amongst others). In Sharansky's memoir "Fear No Evil" he describes innovative ways Mendelevitch used to communicate with Sharansky, such as through both toilet bowls and radiators. Mendelevitch had always exhibited
Predictions of the dissolution of the Soviet Union Soviet authorities were skeptical. Natan Sharansky explained that "in 1984 KGB officials, on coming to me in prison" when Amalrik's prediction was mentioned, "laughed at this prediction. Amalrik is long dead, they said, but we are still very much present." Historian Marian Kamil Dziewanowski "gave a lecture titled 'Death of the Soviet Regime' at the Russian Research Center at Harvard University. The same lecture was delivered at Cambridge University in England in 1971 and 1979. The text of the lecture (titled 'Death of the Soviet Regime: a Study in American Sovietology, by a Historian') was published in "Studies in Soviet