Allan Pinkerton (
1819-
1884) was a U.S. detective. He was born in
Glasgow, Scotland on
August 25, 1819 and emigrated to U.S. in
1842. In
Chicago, Illinois in
1852, he formed the first
detective agency,
Pinkerton Agency, which solved a series of train robberies. He was head of US
Secret Service in
1861-
1862 and foiled an assassination plot in
Baltimore, Maryland, while guarding
Abraham Lincoln on his way to his inauguration for his first term as president of the U.S.
He died in Chicago, Illinois, on July 1, 1884.