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.
Although Robinson is often called the first black player in the major leagues, Moses Fleetwood Fleet Walker, a catcher for the Toledo Blue Stockings of the American Association in 1884, had an Irish father and African American mother who had been a slave.