He returned to [[Europe]] in 1901, where he visited [[Spain]] to study the painting of [[Diego Velazquez]] and [[El Greco]] and traveled through Brittany, and [[Holland]] to see portraits by his "heroes", [[Frans Hals]] and [[Rembrandt]]. | He returned to [[Europe]] in 1901, where he visited [[Spain]] to study the painting of [[Diego Velazquez]] and [[El Greco]] and traveled through Brittany, and [[Holland]] to see portraits by his "heroes", [[Frans Hals]] and [[Rembrandt]]. |