龚 ㄍㄨㄥ gōng 自 ㄗ ˋ zì 珍 ㄓㄣ zhēn 龔 ㄍㄨㄥ gōng 自 ㄗ ˋ zì 珍 ㄓㄣ zhēn Gong Zizhen (1792-1841), Chinese man of letters, calligrapher and poet