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Allan Pinkerton, President Abraham Lincoln, and Major General John A. McClernand. This photo and another very similar to it were taken not long after the Civil War’s first battle on northern soil in Antietam, Maryland on October 3, 1862. In his role as head of Union Intelligence Services during the war, Pinkerton foiled an assassination attempt against Lincoln. His wartime work was critical in raising Pinkerton’s profile and helping to bolster the reputation of his Pinkerton National Detective Agency, which pioneered the American private detective industry.

Title: Antietam, Md. Allan Pinkerton, President Lincoln, and Maj. Gen. John A. McClernand; another view].

Gardner, Alexander, 1821-1882, photographer.

CREATED/PUBLISHED 1862 October 3.

SUMMARY Photograph from the main eastern theater of the war, Battle of Antietam, September-October 1862.

NOTES Reference: Civil War photographs, 1861-1865 / compiled by Hirst D. Milhollen and Donald H. Mugridge, Washington, D.C. : Library of Congress, 1977. No. 0147

Title from Milhollen and Mugridge.

Forms part of Civil War glass negative collection (Library of Congress).

This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Kratzer und Flecken entfernt.

This file has an extracted image: Pinkerton (fcm).png.

This image is available from the United States Library of Congress's Prints and Photographs division under the digital ID cwpb.04326. This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing. العربية ∙ беларуская (тарашкевіца) ∙ বাংলা ∙ čeština ∙ Deutsch ∙ English ∙ español ∙ فارسی ∙ suomi ∙ français ∙ galego ∙ עברית ∙ magyar ∙ Bahasa Indonesia ∙ italiano ∙ 日本語 ∙ lietuvių ∙ македонски ∙ മലയാളം ∙ Nederlands ∙ polski ∙ português ∙ português do Brasil ∙ română ∙ русский ∙ sicilianu ∙ slovenčina ∙ slovenščina ∙ Türkçe ∙ українська ∙ 中文 ∙ 中文（简体） ∙ 中文（繁體） ∙ +/−

	This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer. This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
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