Born in Prussia, he was the son of the Prussian Minister of War. He enlisted on Sept. 30, 1861, and was commissioned lieutenant colonel, U.S. Volunteers Aide-De-Camp. He served on the staff of General George B. McClellan, 1861-62, and with the Army of the Potomac, until his muster out of service, July 12, 1865.

Wet plate, albumen carte de visite photograph, mounted to 2 3/8 x 4 card. Bust view pose. No imprint. Inscription on the reverse, Count Paul Radowitz, A.D.C., U.S.A. Army of Potomac. Light age toning and wear. Very fine. Scarce.