Pushing on to Paris in 1867 , he attended the influential Ecole des Beaux-Arts , where he mastered the luxurious Beaux-Arts style that was the hallmark of the Gilded Age in Europe and America before World War I . But he held fast to his New York roots -LRB- even in France , he insisted on an Anglicized pronunciation of his name that made it '' Saint GAW-dens '' -RRB- .