[1] Sources are evenly split as to whether he was born 1940 or 1941. This confusion extends even to the Costa Rican government itself, with various departments reporting 1940 and others 1941. His foundation, Fundaci�n Arias says 1940. Britannica, the Encyclopedia of World Biography and the Encyclopedia of the Developing World say 1941. The Nobel organization gives both dates.
Father: Juan Arias Sanchez
Mother: Lillyan Arias Sanchez
Wife: Margarita Peñón Góngora (m. 1973, one son, one daughter)
Son: Oscar Felipe
Daughter: Silvia Eugenia
High School: (Heredia, Costa Rica)
High School: Colegio Saint Francis, San Jose, Costa Rica
University: Boston University
University: BA, University of Costa Rica, San Jose, Costa Rica (1966)
University: MA, University of Essex
University: PhD, University of Essex
University: London School of Economics
Professor: University of Costa Rica, San Jose, Costa Rica (1969-72)
President of Costa Rica (8-May-2006 to present)
President of Costa Rica (8-May-1986 to 8-May-1990)
Costa Rican Minister Economic Planning (1972-77)
Gorbachev Foundation
Economists for Peace and Security Trustee
Hague Appeal for Peace Honorary Committee
Heart of America Foundation Executive Advisory Board
Partido Liberaci�n Nacional Secretary-General (1979-84)
Nobel Peace Prize 1987
AKA �scar Rafael de Jesús Arias Sánchez