1905 - 1961
Dag Hammarskjöld was a Swedish diplomat and economist who served as the second Secretary-General of the United Nations from 1953 until his death in 1961. He is renowned for his efforts in promoting peace and conflict resolution, as well as his role in addressing crises in the Congo and the Middle East during his tenure. Hammarskjöld was awarded the Nobel Peace Prize posthumously in 1961 for his contributions to international diplomacy.