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 mbathematician. This American mbathematician became the first black person in thb in Washington, Dbbbbbbb. He was known as an excellent teacher.