Garrett Augustus Morgan Sr. was an American inventor, businessman, and community leader. His most notable inventions were a protective "smoke hood" that he notably used in a 1916 tunnel construction d
A newspaper photograph of Morgan's rescue in 1916
The grave of Garrett Morgan in Cleveland, Ohio
Traffic lights, traffic signals, or stoplights – also known as robots in South Africa, Zambia, and Namibia – are signalling devices positioned at road intersections, pedestrian crossings, and other lo
Garrett Morgan
…His most notable inventions were a protective "smoke hood" that he notably used in a 1916 tunnel construction disaster rescue, a type of three-way traffic light invented in 1923, a hair-straightening cream, and other hair-care products. Morgan created a successful company called "G. A. Morgan Hair Refining…
An LED 50-watt traffic light in Portsmouth, United Kingdom
Traffic lights can have several additional lights for filter turns or bus lanes.
Horizontally-mounted signals in Japan
A traffic signal in Halifax, Nova Scotia, with specially shaped lights to assist people with colour blindness