1782-1831 1832-1896 1867-1959 1886-1959 19thcentury alberto architects architecturalphotography biographies biography blacks canada chile chili contributionsinarchitectureguerrero equality franklloyd history mexico musicteachers pedroe photographers pianistes pianists politicsandgovernment professeursdemusique racerelations rivapalacio socialclasses unitedstates vicente wright