 Following the collapse of the Knickerbocker, Crandall released Geare as his primary architect, even though Geare had already begun work on a new theater in the fashionable neighborhood of Columbia Heights.In his place, Crandall appointed the reputable young Thomas Lamb from New York as architect for all of his subsequent designs, including the Ambassador, built from the remains of the Knickerbocker, and the Tivoli.Lamb began designing the Tivoli less than six months after the Knickerbocker collapse.