Ancillary data layers were used to assess classification accuracy and derive other data layers such as image masks that were used in the change detection analyses. ancillary data.
William Edward White, the first black player in major-league history, lived his life as a white man. By Peter Morris and Stefan Fatsis. William Edward White on the 1879 Brown baseball team.
Jack Roosevelt Robinson or Jackie Robinson as he is known was the first black person who was allowed to play in the Major League Baseball. This happened in 1947 when he debuted with the Brooklyn Dodgers as one of their players. Before that, a black person was only allowed to play in the Negroes Leagues.