Hào Gǔ Zhǔrén 好古主人 (“The Antiquarian Master”) is the pen name attributed to the author of the Qīng-dynasty novel Zhào Tàizǔ Sān Xià Nán Táng 趙太祖三下南唐 (KR4k0288). No biographical details are known. The pseudonym is a common type in Qīng popular fiction and cannot be uniquely identified. No CBDB entry has been located. This pen name should not be confused with 彭好古 or 王好古, who are different historical persons.