Science Museum, London
Science Museum Online Stuff: Garrett Morgan
An excellent article about inventor Garrett Morgan including information about his two life-saving inventions: the Safety Hood, an early gas mask, and the traffic light.
University of Houston
University of Houston: Engines of Our Ingenuity: No. 1624: Garrett Morgan
Article focusing on Garrett Morgan, inventor of the traffic signal, gas mask, and an innovative hair straightener. This is a transcript of an accompanying radio broadcast.