Francisco de Goya was the most potent and creative Spanish artist of his time. Over the course of his long career, Goya moved from cheerful and optimistic to totally pessimistic and searching in his paintings, drawings, etchings, and frescoes. He completed some 500 oil paintings and murals, about 300 etchings and lithographs, and many hundreds of drawings. He was exceptionally versatile and his work expresses a very wide range of emotion. His technical...