(1813 - 1898)
Home State: New York
Command Billet: Brigade Commander
Branch of Service: Infantry
Pre-War Profession: Lawyer and US Congressman. In June 1861 he recruited the 65th NY Regiment was made its Colonel and led them at Seven Pines. In July 1862 he was appointed BGen. of Volunteers.
On the Campaign
He was in command of the 3rd Brigade of the First Division/Fourth (IV) Corps (attached to VI Corps). The Division was not in the battle on the 17th but was marching between Sharpsburg and Harpers Ferry looking for Confederates (!).
The rest of the War
He commanded the 1st Brigade/3rd Division/VI Corps at Fredericksburg and resigned in February 1863 (for health reasons).
After the War
He was Attorney General of NY and a politician.
References & notes
Notes: It has been suggested that his resignation was politically related (details?).