Moran later studied at the famed Art Students League in Manhattan, where he learned from the muralists Vincent Drumond, Robert Henri, Thomas Fogarty (Norman Rockwell's teacher), and the legendary anatomist George Bridgman.In 1940, Life ran a feature article entitled "Speaking of Pictures" which mostly focused on Moran's work and made him a national celebrity.In 1946, Moran moved to Hollywood though he had already painted many movie stars including Betty Grable, for publicity posters.Soon after his arrival, he interviewed a young starlet named Norma Jeane Dougherty, later known as Marilyn Monroe, who wanted to model for him.After a move to Las Vegas (circa 1955), Moran decided to devote his time to painting fine-art subjects, with nudes as his favorite theme.