How did Garrett Morgan's inventions make an impact on history?

Garrett Morgan was an influential inventor whose creations significantly impacted safety and public health. His most notable invention, the three-position traffic signal, greatly improved road safety by reducing accidents at intersections. Additionally, Morgan developed a gas mask that enhanced safety for firefighters and soldiers, particularly during World War I. His innovations not only advanced technology but also highlighted the importance of safety measures in urban environments and emergency situations.