 In 1867 the firm of Schroeder & Bon switched its business activities from the production of cigars to the importation of tobacco leaves.The firm—and Schroeder personally—are credited with the introduction of shade tobacco, then an important innovation.When Isidore M. Bon retired from the firm in 1893, Schroeder's son, Edwin A. Schroeder (1859—1902) and his son in law, Frank M. Arguimbau became partners in the firm.