Diego Rodriguez de Silva y Velázquez was a painter.
He was greatly admired by Whistler, who saw his work in Manchester in 1857, in London, Paris, and in International loan shows. Whistler's portraits, such as Harmony in Grey and Green: Miss Cicely Alexander y129, were often compared to those of Velasquez.
Bénézit, E., Dictionnaire des Peintres, Sculpteurs, Dessinateurs et Graveurs, 8 vols, Paris, 1956-61; w Grove Dictionary of Art Online.