Garrett A. Morgan (1877-1963) was an entrepreneur and inventor whose inventions included the electric traffic signal and the gas mask. Morgan moved to Cleveland, Ohio, in 1895 and opened his own sewing machine sales and repair shop in 1907. He received a patent on his gas mask in 1912 and formed the National Safety Device Co. to manufacture and market it. He also established the G.A. Morgan Hair Refining Co., The Cleveland Call and Post, and the Wakeman Country Club for African Americans. The collection consists of correspondence, legal and business papers, drawings of the traffic signal, a hair straightening device and an automatic cooker, maps, blueprints and floorplans of Morgan's properties, biographical sketches, newspaper clippings, and material relating to Morgan's role in the waterworks crib explosion, the G.A. Morgan Hair Refining Co., the National Safety Device Co., and the Wakeman Country Club.