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.
First African-American NFL Player - March 21, 1946. The Los Angeles Rams signed halfback Kenny Washington to an NFL contract. Wrong, the first African-American players were Fritz Pollard and Bobby Marshall in 1921. + 60 others found this useful.