From 1853 to 1856 he visited Germany , Italy , and the Netherlands , during which time he was influenced by the Dutch painter Frans Hals , and the Spanish artists Diego Velázquez and Francisco José de Goya .
While he was a student he visited Germany , Italy , and the Netherlands , looking at the paintings of Renaissance and Baroque masters such as Frans Hals , and Spanish painters such as Diego Velázquez and Goya .