This excellent CDV of Theodore Burr Gates is from the collection of descendant Piera Weiss who kindly provided us a scanned copy.
Then their Lieutenant Colonel, Gates commanded his regiment in battle on South Mountain on 14 September and at Antietam on 17 September 1862. He was promoted to Colonel soon afterward, and was brevetted Brigadier General of Volunteers in March 1865.
He returned to his law practice after his term expired in late 1864, but also continued in state service and was commissioned Major General in the New York Militia in 1867.





