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.
Bud Fowler became their first professional black baseball player, with a non-league pro team in 1872. Fleet Walker a catcher, appeared in 42 games with the Toledo Blue Stockings of the American Association in 1884.