Jane Bolin--the first African American female judge of the United States. She has done so many amazing things, and made America a better country.

Sources:

http://news.yale.edu/2013/02/28/honoring-yale-s-pioneering-african-american-alumni

http://kids.britannica.com/elementary/article-399521/law

https://en.wikipedia.org/wiki/Jane_Bolin

http://www.biography.com/people/jane-bolin-21366813#first-african-american-female-judge