ancillary data are often very diverse, may include maps, vegetation phenologies, and many kinds of information about human activities in the general area. human experts bring all these element s, plus their acquired skills and knowledge of related disciplines ...
Fritz Pollard and Bobby Marshall were the first black players in what is now the NFL in 1920. Pollard became the first (and until 1989, only) black coach in 1921; during the early-to-mid-1920s, the league used player-coaches and did not have separate coaching staffs.
By RICHARD GOLDSTEIN. Joe Gilliam, who was one of the first blacks to be a starting pro quarterback when he played for the Pittsburgh Steelers' 1974 Super Bowl champions but who later slid into drug addiction and homelessness, died Monday in Nashville. He was 49.