Charles Bulfinch was an early American architect, and has been regarded by many as the first American-born professional architect to practice.
Biography from Wikipedia, licensed CC BY-SA 4.0.

Architect
1763–1844
Portrait: Mather Brown · Public domain · Wikimedia Commons
Charles Bulfinch was an early American architect, and has been regarded by many as the first American-born professional architect to practice.
Biography from Wikipedia, licensed CC BY-SA 4.0.