Keywords: PinkertonLincolnMcClernand.jpg Assessments 1 Pinkerton Lincoln and McClernand 1 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 From the Library of Congress 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 LOC-image cwpb 04326 PD-old Pinkerton Lincoln and McClernand by Alexander Gardner |