P. G. T. Beauregard
He resigned his commission as a major general on February 17, 1863, and became a volunteer aide to General P. G. T. Beauregard for the rest of that year. Smith was also the superintendent of the Etowah Iron Works in 1863 until June 1, 1864, when he was commissioned a major general in the Georgia state militia and commanded its first division until the end of the war.