Black scientists+ their inventions/findings= great contributions to the world

1.George Washington Carver was a Biochemist who came up with many uses for the peanut.
2.Henry Sampson made the cellular phone, J. Standard made the refrigerator, and T. Elkins made the toilet.
3. Thomas J. Martin created the fire estinguisher. It is significant because without it, many people would be defenseless if there was a fire.