'''Natan Sharansky''' (born Anatoly Borisovich Shcharansky, 1948), [[Jewish]] [[mathematician]], physicist, and human rights activist, best known as a former prisoner of the [[Soviet Union]]'s gulag system where he was imprisoned for nine years on espionage charges before being released in an East-West spy exchange orchestrated by then-President [[Ronald Reagan]] in 1986. | '''Natan Sharansky''' (born Anatoly Borisovich Shcharansky, 1948), [[Jewish]] [[mathematician]], physicist, and human rights activist, best known as a former prisoner of the [[Soviet Union]]'s gulag system where he was imprisoned for nine years on espionage charges before being released in an East-West spy exchange orchestrated by then-President [[Ronald Reagan]] in 1986. |