Garrett Morgan: The Visionary Behind the Traffic Light and Gas Mask Garrett Morgan, an African American inventor, was a trailblazer whose creations transformed safety and convenience. He is best known for inventing the traffic signal and the gas mask. In 1923, Morgan patented the three-position traffic light, revolutionizing road safety. Earlier, in 1914, he developed a safety hood (precursor to the modern gas mask), which saved countless lives in rescue operations. Morgan’s legacy reflects inge