Allan Pinkerton
Portrait of Allan Pinkerton, circa 1861
Born	(1819-08-25)August 25, 1819 The Gorbals, Glasgow, Scotland
Died	July 1, 1884(1884-07-01) (aged 64) Chicago, Illinois, US
Resting place	Graceland Cemetery, Chicago
Occupation(s)	Cooper, abolitionist, detective, spymaster
Known for	Creating Pinkerton Detective Agency, being an American Civil War Union spy
Spouse	Joan Pinkerton (m. 1842–1884)
Children	3

Allan J. Pinkerton (August 25, 1819 – July 1, 1884) was a Scottish–American detective and spy. He was best known for creating the Pinkerton National Detective Agency. He was known for protecting then-President-elect of the United States Abraham Lincoln during the Baltimore Plot (a plan to kill Lincoln in Baltimore, Maryland in 1862).^[1]

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