Elbert Frank Cox (December 5,1895--November 28,1969) was an American mbathematician who became the first black person in thb in Washington, Dbbbbbbb, where he was known as an excellent teacher.
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.