Gardner, Alexander, 1821-1882 Military Telegraph Operators at City Point.

Caption: Photographer. 7 men in two rows, 2 standing and 5 seated, grouped between two pine trees in front of two tents. The man furthest right in the picture sits on an upended suitcase and leans against a fence; the man to his right sits in a rocking chair. The other three men in this row sit on a bench. The men have been identified as: (left to right) Dennis Doren, Superintendent of Construction: A. H. Caldwell, Cipher Clerk at the headquarters of the Army of the Potomac; James A. Murray, a wire-tapper of Confederate telegraph lines; J. H. Emerick, who became cipher operator in Richmond in 1865, and Samuel H. Beckwith, the cipher operator who accompanied Lincoln on his journey from City Point to Richmond, April 4 1865. The identity of the remaining two men is unknown. (Source: Photographic History of the Civil War. Vol. 4. Soldier Life and Secret Service. Prisons and Hospitals. Secaucus, N.J.: The Blue & Grey Press, c 1987 p. 361).