Across
- 6. worked for nasa
- 7. worked for nasa
- 8. made critical contributions to NASA's rocket systems and energy
- 10. Jr contributor to the Manhattan Project during World War II
Down
- 1. third black woman to earn a PhD in math
- 2. building America’s first clock at the age of 24
- 3. First African American woman to earn a phd in math
- 4. works for nasa
- 5. second black person to earn a PhD in math
- 9. 9th black person to recieve a phd in math