Nat Strong

Nathaniel Calvin "Nat" Strong was an American sports executive who was an officer and owner in Negro league baseball.
In 1906, the Nat Strong became the Secretary for the National Association of Colored Baseball Clubs of the United States and Cuba, which began play in 1907.
He served as a booking agent for East Coast teams, an officer with the New York Black Yankees, part owner of the Cuban Stars (East), and owner of the Brooklyn Royal Giants. Strong also worked for Spalding as a salesman, and owned the New York World Building.