English physicist who discovered the pion (the first known meson) which is a subatomic particle involved in holding the nucleus together (1903-1969)
United States general who was the first Black to serve as Chief of Staff; later served as Secretary of State under President George W. Bush (born 1937)
United States general who was the first African American to serve as chief of staff; later served as Secretary of State under President George W. Bush (born 1937)
