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.
The first black American in the NHL tells his story. Val James became the first African American player in the NHL when he took to the ice with the Buffalo Sabres in 1982, and in 1987 he became the first black player of any nationality to skate for the Toronto Maple Leafs. Born in central Florida, James grew up on Long Island and received his first pair of skates for his 13th birthday.