1810-1849 1812-1859 1837-1867 1882-1951 1913-1996 20thcentury akademiederkünste(berlin american axmann biography conspiracies dynamics espionage frédéric germany history hunter interpretation(phrasing jack loveinart nationalsocialism nazis pianists pianomusic politicalandsocialviewsaxmann politicsandgovernment relationswithwomenchopin relationswithwomengrottger relationswithwomenkrasiński romanticism romanticisminart romanticisminmusic schnabel zygmunt