Bian Que (407–310 BCE) was a renowned physician of the Warring States period. His surname was Qin, and his given name was Yue Ren. He was from Mo County, Bohai Commandery (north of present-day Renqiu, Hebei).
Zhu Erdan, of Lingyang, whose courtesy name was Xiaoming, was bold and outgoing by nature, though tending to be gullible. He studied industriously but had not yet made a name for himself.