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Garrett Augustus Morgan Sr. (March 4, 1877 – July 27, 1963) was an American inventor, businessman, and community leader.His most notable inventions were a type of three-way traffic light, [1] and a protective 'smoke hood' [2] notably used in a 1916 tunnel construction disaster rescue.
[1]: 386–7 After witnessing an accident between an automobile and a horse-drawn carriage, inventor Garrett Morgan filed a U.S. patent for a traffic signal. [20] Patent No. 1,475,024 was granted on 20 November 1923 for Morgan's three-position traffic signal. [21] A further development of traffic signals were staggered systems.
It’s been a century since Garrett Morgan patented the three-position traffic signal. Sandra Morgan, his granddaughter, says she’s fought to keep his legacy alive.
In 1923, Garrett Morgan patented a design of a manually operated three-way traffic light with moving arms. [ 17 ] The control of traffic lights made a big turn with the rise of computers in America in the 1950s.
Image credits: Rose Smith #8 Garrett Morgan Invented What Would Become The Yellow Traffic Light. Before Morgan's invention, traffic lights only had "stop" and "go" without any indication to slow down.
In 1923, Garrett Morgan, her grandfather, patented the automated three-signal traffic light. In addition to the traffic light, he invented what he called a safety hood — a precursor to the gas mask.
Meadowlands Adaptive Signal System for Traffic Reduction; Garrett Morgan; ... Traffic signal preemption; Traffic tower; V. Vienna Convention on Road Signs and Signals;
Garrett Morgan; an African American inventor who patented the traffic signal; Dr. Charles Drew; an African-American physician, who modernized methods to preserve blood plasma. Dr. An Wang; an Asian-American inventor with patents involving the basic digital computer machine. Philip Stevens; a Native American inventor of defense system missiles.