The law enforcement officer Ben Thompson died at the age of 40. Here is all you want to know, and more!
Biography - A Short Wiki
Gunfighter and occasional sheriff of the Old West who worked with grand showman, Buffalo Bill Cody and gunmen Wild Bill Hickock.
His parents were William and Mary Ann Thompson. He had a younger brother, Billy, and a younger sister, Mary Jane. The family traveled on the ship Granada from Liverpool to the United States when Ben was eight years old.