Dag Hammarskjold

High Quality Content by WIKIPEDIA articles! Dag Hjalmar Agne Carl Hammarskjold (29 July 1905 - 18 September 1961) was a Swedish diplomat, economist and author and was the second Secretary-General of the United Nations. He served from April 1953 until his death in a plane crash in September 1961. He is the only person to have been awarded the Nobel Peace Prize posthumously. Hammarskjold remains the only U.N. Secretary-General to die in office.U.S. President John F. Kennedy called Hammarskjold "the greatest statesman of our century.