Career
The lean, blond haired man is an ace detective with the Van Dorn Detective agency (based on the real life Pinkerton Detective Agency). Isaac Bell is the son of Ebenezer Bell and grandson of Isaiah Bell, two fictional prominent Boston bankers. The Bell novels are usually set in the early twentieth century, and involve many of the technologies of the time, including telegraph, early flying machines and cars, dreadnought battleships, trains, radio, and early submarines.
The Striker, though written later actually take place the earliest.
lieutenant is set in 1902.