sentences:  Later in post-presidential career, in 1892, he was commissioned to arbitrate land disputes between Peru and Ecuador, which centered on the contested provinces of Mainas, Jaén and Tumbes.He was an academic as well, having authored a comprehensive history of the previously-mentioned contested provinces, as well as a monograph on Peruvian legislation titled, "Diccionario de la Legislación Peruana".Francisco García Calderón was born in Arequipa on April 2, 1834, as the son of Judge Doctor Eduardo García Calderón y Crespo and Ventura Landa y Guerola.