Nathaniel Greene Foster (August 25, 1809 – October 19, 1869) was an American politician, lawyer, and military officer.Foster was born near Madison in Morgan County, Georgia in 1809. He graduated from the University of Georgia in Athens in 1830 with a Bachelor of Arts (AB) degree. Foster studied law, gained admittance to the state bar in 1831, and began practicing law in Madison.During the Seminole War, Foster served as the captain of a company of men.