the individual credited with bringing the neoclassical architectural style to the united states was
Neoclassical architecture In the new republic, Robert Adam's neoclassical manner was adapted for the local late 18th and early 19th-century style, called "Federal architecture". One of the pioneers of this style was English-born Benjamin Henry Latrobe, who is often noted as one of the first formally trained America's professional architects and the father of American architecture. The Baltimore Basilica, the first Roman Catholic cathedral in the United States, is considered by many experts to be Latrobe's masterpiece.