Guǎngchuānzǐ 廣川子
Late-Edo Kyoto physician (Jap. Hirokawa-shi), specialising in yǎkē 啞科 (paediatrics). Resided two years in Nagasaki, where he acquired a manuscript copy of the Qīng paediatric clinical discourse Yīng’ér lùn 嬰兒論 by 周士禰 Zhōu Shìmí (KR3ej009) and clinically tested it. Requested 吉村正隆 Yoshimura Masataka to write the 1797 (Kansei 9) Nagasaki preface to the Japanese printing. Lifedates unrecorded.