which inventor created the traffic signal
2. Garrett Morgan 1877 â 1963. Invented: Gas mask, and a type of traffic light. Garrett Morgan was an inventor and businessman from Cleveland who invented a device called the Morgan safety hood and smoke protector in 1914. On July 25, 1916, Garrett Morgan made national news for using his gas mask to rescue 32 men trapped during an explosion in an underground tunnel 250 feet beneath Lake Erie.