Dag Hammarskjold was born in Jonkoping, Sweden, in 1905, and died near Ndola, Northern Rhodesia, on September 18, 1961, in an air crash while flying there to negotiate a cease-fire between United Nations and Katanga forces.The son of the Swedish prime minister during World War I, Hammarskjold studied law and economics at the universities of Uppsala and Stockholm. He quickly gained prominence in his own country as secretary and then chairman of the board of governors of the Bank of Sweden; he was undersecretary of the Swedish department of finance from 1936 to 1945. In 1946 he entered the forei...