 The Ten was formalized as a group in 1959 with its inaugural exhibition entitled “10 concrete painters exhibit paintings and drawings”, organized on the occasion of the second anniversary of the Color Light Art Gallery, a space managed by artists co-founded by Dolores Soldevilla Nieto and his partner Pedro de Oraá in 1957 to promote abstract art in Havana and was integrated by Pedro Carmelo Alvarez López, Mario Carreño Morales, Wilfredo Arcay Ochandarena, Salvador Corratgé, , Luis Martínez Pedro, Alberto Menocal, , Pedro de Oraá, José Ángel Rosabal Fajardo, Dolores Soldevilla Nieto and Rafael Soriano.These artists briefly called themselves Los Diez Pintores Concretos — the 10 Concrete Painters — or, simply, Los Diez, the 10.Formally, their collective had a short life, 1959–61, and showed together as a group only three times.