Math
Across
- 3. first black american to be inducted into the National Academy of Sciences
- 6. co-founded the black filmmakers hall of fame
- 8. created the digital computer Center at North Carolina college
- 10. made contributions to abstract and Graph theory
Down
- 1. first lady to chair the DC chair board
- 2. is a founder of mathematical astronomy
- 3. former chess champion, and a LGBT supporter
- 4. built america's first clock at 24
- 5. helped develop the technology for GPS
- 7. researches on Ergodic theory of dynamical system
- 9. second African american to receive a PhD in Mathematics