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.
Sammy Drake of the Chicago Cubs plays his first major league game making the Drakes the first black brothers (Solly appeared with the Chicago Cubs on April 17, 1956) to play in the modern major leagues. 1962. Jackie Robinson is the first black player enshrined in the National Baseball Hall of Fame.