Natan Sharansky to intense political pressure from Ronald Reagan. Sharansky and three low-level Western spies (Czech citizen Jaroslav Javorský and West German citizens Wolf-Georg Frohn and Dietrich Nistroy) were exchanged for Czech spies Karl Koecher and Hana Koecher held in the United States, Soviet spy Yevgeni Zemlyakov, Polish spy Marian Zacharski and East German spy Detlef Scharfenorth (the latter three held in West Germany). The exchange took place on the Glienicke Bridge between East and West Berlin, which had been used before for this purpose. Sharansky immediately immigrated to Israel, adopting the Hebrew name "Natan" and eventually simplifying his surname to Sharansky.
History of the Jews in Moscow groups gained traction while working underground in an atmosphere of repression. They protested, published samizdat, had seminars on Jewish history, and started Hebrew ulpans. Some of these activists, such as Natan Sharansky, Yosef Begun, and Ida Nudel were arrested as a result. During Glasnost and Perestroika, Jewish life in Moscow expanded and new cultural organizations formed. At the same time, anti-semitic organizations grew louder and there were rumors that a pogrom could occur during the Moscow celebrations of the millennium of Christianity in Russia. In 1992, firebombs were thrown at the Marina Rosha Synagogue in Moscow, and in 1999 there