I hope everyone is having a fantastic and safe New Year!!! Elbert Frank Cox (December 5, 1895–November 28, 1969) was an American mathematician who became the first black person in the world to receive a Ph.D. in mathematics. He spent most of his life as a professor at Howard University in Washington, D.C., where he was known as an excellent teacher. During his life, he … [Read more...] about Friday Open Thread: African-American Mathematicians