Roberto Juan Diago y Querol (1920 in Havana, Cuba – February 20, 1955 in Madrid, Spain) was a Cuban artist specializing in photography, engraving, painting and drawing.
He studied in the Escuela Nacional de Bellas Artes "San Alejandro", Havana, Cuba and founded together with Rafael Soriano, Manuel Rodulfo Tardo, José Felipe Nuñez and Juan Esnard Heydrich the Provincial School of Fine Arts in Matanzas.
[1] His grandson, Juan Roberto Diago Durruthy (born 1971) is also a Cuban painter.
He exhibited his works "Expone Diago: Dibujos y gouaches en el Lyceum".
He was included in many collective exhibitions, among them we can quote in 1941, Exposición de arte moderno y clásico (La pintura y la escultura contemporánea en Cuba).
Three years later, in 1947 he was one of the selected artist for the exhibition Paintings and Drawings of Latin America.