1. Nelson Mandela   Chancellor of Germany   President of South Africa who won the 1993 Nobel Peace Prize, which he shared with Nelson Mandela   President of South Africa who won the 1993 Nobel Peace Prize, which he shared with Frederik Willem de Klerk   President of Cuban Republic   Hint Half-n-half Clue   2. Nikita Sergeyevich Khrushchev   Chairman of Palestine Liberation Organization   thirty-ninth President of United States of America   leader of Soviet Union who succeeded Stalin   fourtieth President of United States of America   Half-n-half Clue   3. Desmond Tutu   Chairman of Palestine Liberation Organization   President of Cuban Republic   South African religious leader who won the 1984 Nobel Peace Prize   Chancellor of Germany   Half-n-half Clue   4. Fidel Castro   President of Soviet Union who ended Cold War   President of Cuban Republic   thirty-ninth President of United States of America   President of Soviet Union who succeded Khrushchev as well as Head of Communist Party   Half-n-half Clue   5. Frederik Willem de Klerk   Foreign-Policy Advisor of United States of America   President of South Africa who won the 1993 Nobel Peace Prize, which he shared with Nelson Mandela   President of Cuban Republic   thirty-ninth President of United States of America   Half-n-half Clue   6. John F. Kennedy   thirty-fifth President of United States of America   fourtieth President of United States of America   leader of Soviet Union who succeeded Stalin   Iranian religious leader   Half-n-half Clue   7. Yasser Arafat   founder of People's Republic of China   President of South Africa who won the 1993 Nobel Peace Prize, which he shared with Nelson Mandela   President of South Africa who won the 1993 Nobel Peace Prize, which he shared with Frederik Willem de Klerk   Chairman of Palestine Liberation Organization   Half-n-half Clue