Slocum was thirty-eight when he handled his division with consummate skill at White-Oak Swamp.

Joseph J.Reynolds was a major-general before he was forty.

Parke was at the head of a corps when he was thirty-five.

Hazen was thirty-four when he led in the important capture of Fort McAllister.

McKenzie, Custer, Kilpatrick, and Ames had each won his star before he had passed his twenty-sixty hear.