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
Mudawi Ibrahim Adam Salah Mohamed Abdelrahman. Mudawi was then held for two months without a formal charge, during which time he began a hunger strike in protest. His arrests were widely protested by groups including Human Rights Watch, Front Line Defenders, Amnesty International, and the Irish government. He was eventually released without being brought to trial. By 2006, Mudawi's role had become prominent enough that "New York Times" reporter Nicholas Kristof described him as "one of the leading human rights advocates in Sudan". In 2007, he attended a conference in Prague organized by Natan Sharansky, Václav Havel, and José María Aznar, where he