Horacio Rodolfo de Sosa Cordero (June 29, 1945 – June 12, 2014), tenth Marquis de Sosa, was an Argentine painter, sculptor and ceramicist. Cordero was born in Buenos Aires, Argentina. The only male child of Don Rodolfo María de Sosa Cordero and Dña. Ángela Marcó del Pont, his first studies with Jesuit priests were instrumental in the discovery of his vocation as an artist. He belonged to an ancient aristocratic Spanish family whose history dates back to the 14th century in the lands of Castile.