Lewis Latimer was an African American inventor and draftsman, renowned for his work on the incandescent light bulb and contributions to the field of electrical engineering.
Garrett Morgan was an African American inventor and community leader, best known for inventing the three-way traffic signal and gas mask.
Otis Boykin was an African-American inventor and engineer, known for his contributions to the development of modern electronic devices, including the resistor and integrated circuit.