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.
Eli Sadan During his studies, he was asked by Rabbi Kook to assist in establishing Moshav Keshet in the Golan Heights and in establishing a core of Torah scholars in Eilat. Together with Rabbi Tzvi Tau, he was delegated by Rabbi Zvi Yehuda with regarding to prisoners of Zion, among them Natan Sharansky. They even held a secret telephone conversation before Sharansky entered the Russian prison. Afterwards, Sadan held several meetings with US officials in order to secure Sharansky's release. In 1988, Sadan established the first pre-military preparatory program (mechina), together with Rabbi Yigal Levinstein. The mechina is named "Bnei David" and