Dúgū Tāo 獨孤滔 was a mid-Táng Daoist alchemist of non-Hàn (probably Xiānbēi) ancestry — Dúgū 獨孤 being a well-known Xiānbēi clan name. Author of KR5c0325 Dān fāng jiàn yuán 丹方鑑源 (“Mirror of the Sources of Elixir Recipes”), an alchemical-pharmacological lexicon dated 836 (Kāi chéng 1, under Táng Wén zōng).