5. Kenneth J. Dunkley (Unknown)
Notable inventions: 3D glasses
Who ever guessed the inventor of 3D glasses was a black man? We didn’t. Dunkley’s technique of blocking two points of a person’s peripheral vision resulted in people viewing images in the third-dimension. He would also be a recognized as a staple in holography—the process of making holograms. This man was so ahead of his time.