Casper Holstein was a prominent New York mobster involved in the Harlem "numbers rackets" during the Harlem Renaissance.

Boardwalk Empire is an American period crime drama television series created by Terence Winter and broadcast on the premium cable channel HBO. The series is set chiefly in Atlantic City, New Jersey, during the Prohibition era of the 1920s and stars Steve Buscemi as Nucky Thompson. Winter, a Primetime Emmy Award-winning screenwriter and producer, created the show, inspired by Nelson Johnson's 2002 non-fiction book Boardwalk Empire: The Birth, High Times, and Corruption of Atlantic City, about the historical criminal kingpin Enoch L. Johnson.