Juan Gris 

José Victoriano (Carmelo CarlosGonzález-Pérez (March 23, 1887 – May 11, 1927), better known as Juan Gris (Spanish: [ˈxwan ˈɡɾis]French: [gʀi]), was a Spanish painter and sculptor born in Madrid who lived and worked in France most of his life. Closely connected to the innovative artistic genre Cubism, his works are among the movement’s most distinctive. Gris was born in Madrid. He later studied engineering at Madrid’s School of Arts and Sciences. There, from 1902 to 1904, he contributed drawings to local periodicals. From 1904 to 1905, he studied painting with the academic artist José Moreno Carbonero. It was in 1905 that José Victoriano González adopted the more distinctive name Juan Gris.[1]

Source: https://en.wikipedia.org/wiki/Juan_Gris