One of the legendary figures associated with the mantic practices was the Yellow Emperor, especially during the reign of Emperor Wu. This association was central to a tradition called Huang-Lao, literally ‘Yellow Emperor and Laozi,’ which flourished in the first half of the second century B.C.E.
Kohn establishes the Yellow Emperor as the defining mythic authority behind the Huang-Lao tradition, demonstrating how fangshi leveraged his legend to legitimize mantic practices at the Han imperial court.
, Daoism Handbook, 2000thesis