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.
Asher Ben-Natan February 15, 1921. His father, Natan Piernikartz, operated a clothing business in the Austrian capital. He attended a Hebrew High School and was a member of the Young Macabbi. His father bought five-acres of land in Mandatory Palestine in 1934 in response to the emergence of Nazi Germany and the growth of Antisemitism. The family drew up plans to flee to Palestine in 1938 following the Anschluss of Austria. Asher Ben-Natan fled Austria first. He boarded a Panamanian-registered ship in Piraeus, Greece, from which he sailed to Palestine. The ship dropped the passengers off at Tantura, where he swam to