Natan Sharansky and Technology. As a child, he was a chess prodigy. He performed in simultaneous and blindfold displays, usually against adults. At the age of 15, he won the championship in his native Donetsk. When incarcerated in solitary confinement, he claims to have maintained his sanity by playing chess against himself in his mind. Sharansky beat the world chess champion Garry Kasparov in a simultaneous exhibition in Israel in 1996. He took his current Hebrew name in 1986, when he was freed from Soviet incarceration as part of a prisoner exchange and received an Israeli passport with his new name. Natan
Yelena Bonner Although Bonner had joined the Soviet Communist Party in 1964 while she was working as a physician, only a few years later she was becoming active in the Soviet human rights movement. Her resolve towards dissidence was strengthened in August 1968 after Soviet bloc tanks rolled into Czechoslovakia in order to crush the Prague Spring movement. That event strengthened her belief that the system could not be reformed from within. At the Kaluga trial in 1970, Bonner and Sakharov met Natan Sharansky and began working together to defend Jews sentenced to death for attempting an escape from the USSR in