Dag Hammarskjöld

Dag Hjalmar Agne Carl Hammarskjöld (Swedish: Dag Hjalmar Agne Carl Hammarskjöld, pronounced: [ˈdɑːɡ ˈhâmːarˌɧœld]; July 29, 1905 – September 18, 1961) was a Swedish diplomat and author who served as Secretary-General of the United Nations from April 1953 until his death. He was elected to the 17th seat of the Swedish Academy in 1954, succeeding his father, and was posthumously awarded the Nobel Peace Prize in 1961. Hammarskjöld died in a plane crash on his way to ceasefire negotiations. He is the only UN Secretary-General to die in office.