BHM Chem

5. Developed a new technique for cataract surgery
7. Conducted trailblazing cancer research
8. Led the team that exposed the common substance in Krebiozen, a long-controversial alternative and expensive drug promoted as anti-cancer
14. First African American to start working at Bell Laboratories, New Jersey.
15. The first African American woman in space
16. Helped Nasa send astronauts to the moon
19. Discovered more than 300 uses for peanuts
20. Pioneered a treatment for Hansen's disease

1. The first Black woman to receive a PhD in chemistry
2. Created the early gas mask and traffic lights
3. Inventing multiple different electronic control devices in guided missiles, IBM computers, and in the pacemaker
4. Physicist and former head of the United States Nuclear Regulatory Commission (NRC)
6. The first surgeon to perform open-heart surgery on a human
9. Discovered that a specific combination of chemicals caused a living organism to produce and emit light
10. NASA's first black female engineer
11. Developed the ISA bus
12. Discovery of the “wave of negativity”
13. Synthesized the drug physostigmine
17. The first African American PhD physicist
18. Developed large scale blood banks