?Intelectual polifac?tico, que dedic? su actividad a la cr?tica literaria, la creaci?n narrativa y la pedagog?a?. Este pedagogo de la Instituci?n Libre de Ense?anza en su correspondencia con Unamuno se centra especialmente en asuntos derivados de su condici?n de inspector de ense?anza primaria en el distrito dependiente del rector de Salamanca. En ella se aportan informaciones sobre algunos aspectos de la administraci?n educativa y sobre personas, interesantes para la biograf?a de Unamuno. Igualmente sobre las actividades de Santullano como iniciador de las expediciones de maestros de la Junta para Ampliaci?n de Estudios al extranjero. La relaci?n epistolar, nunca exenta del m?ximo aprecio, llega a ser amistosa y aun familiar.

?Intellectual polifacethic, who dedicated his time as a literary critic, the creation of the narrative and pedagogy?. This pedagogist of the Instituci?n Libre de Ense?anza in his correspondence with Unamuno, centralized especially in issues deriving from his position as a primary school inspector in the district depending on the rector of Salamanca. In this information is provided about some aspects of the educational administration and about people, interesting for Unamuno biography. Likewise about Santullano?s activities as initiator of the expeditions of teachers from the Junta para Ampliaci?n de Estudios. The epistolary relationship, never exempt from the maximum esteem, becaomes friendly and even familiary.