Alexander Gardner, (1821-1882)
This photograph shows Allan Pinkerton, a pioneer in intelligence collection, security, and espionage. Born in Scotland, Pinkerton served in the U.S. Army, and later worked as a bodyguard for President Lincoln. After the Civil War, Pinkerton expanded his detective service to investigate crime and secure banks and stagecoaches.
Glass, wet collodion
10 1st St SE Washington,District of Columbia 20003
Library of Congress