José Victoriano González Pérez (Juan Gris) (1887-1927) was a Spanish cubist painter and sculptor. Born in Madrid, he graduated from engineering and painting. In 1905, he adopted the name of Juan Gris. In 1906, he moved to Paris, where he followed the path of his friend and compatriot Pablo Picasso. For many years, he worked as a satirical painter. He began to take his work seriously in 1911 and a year later he exhibited Portrait of Picasso at the Art Institute of Chicago. In 1915, he painted another portrait of his friend, Amadeo Modigliani. He designed ballet scenes and costumes for the famous Russian ballet, led by the legendary impresario Sergei Pavlovich Diaghilev. At age 40, he died of kidney failure in Boulogne-sur-Seine, leaving behind his wife, Josette and son Georges.