Portrait of Chen Yaodao
Qing Dynasty
Collected at Sanyuan, Shaanxi Province. 90 - 66 cm. Chen Yaodao, styled Suzhong, was a native of Yongqingli, Sanyuan, Shaanxi Province. He wrote many books, including Manifestation Type Determination in Cold Damage Disorders (Shang han bian zheng ) and Manifestation Type Determination in Exanthematous Disorders ( Dou zhen bian zheng ). (Collection of Shaanxi Museum of Medical History.)