Oscar Arias was born on 13 September 1940 in the city of Heredia. He is a former President of Costa Rica. He was president two times. First in 1986 to 1990, later in 2006 to 2010. He received the Nobel Peace Prize in 1987 for his efforts to end civil wars in Central America. He is also a winner of the Albert Schweitzer Prize for Humanitarianism and a trustee of Economists for Peace and Security.