For a Black Mathematician, What It’s Like to Be the ‘Only One’. Fewer than 1 percent of doctorates in math are awarded to African-Americans. Edray Goins, who earned one of them, found the upper reaches of the math world a challenging place.

https://medium.com/the-new-york-times/for-a-black-mathematician-what-its-like-to-be-the-only-one-94fd3b86984e