Image: PinkLincMcC crop
Description: Allan Pinkerton, President Abraham Lincoln, and Major General John A. McClernand. This photo was taken not long after the Civil War’s first battle on northern soil in Antietam, Maryland on October 3, 1862. Pinkerton was the head of Union Intelligence Services at the time. He also, allegedly, foiled an assassination attempt against Lincoln. His wartime work was critical in Pinkerton’s development, which he later used to pioneer the American private detective industry when he formed the Pinkerton National Detective Agency.
Title: PinkLincMcC crop
Credit: This image is available from the United States Library of Congress's Prints and Photographs division under the digital ID cwpb.03525. This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.
Author: Alexander Gardner
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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