甄權 Zhēn Quán

Zhēn Quán 甄權 (541–643), Suí-Táng acupuncturist of Xǔzhōu 許州; brother of 甄立言 Zhēn Lìyán. Compiled a Míngtáng rénxíng tú 明堂人形圖 (now lost) on acupoint locations and clinical indications, which served as the basis for the Táng imperial acupoint atlas. Standard biography in Jiùtángshū and Xīntángshū.