Prime Minister

Born in 256BC, Zhang Cang was a musician, scientist and confucianist. He earned Liu Bang's appreciation for his great knowledge and hence became one of Liu's meritorious subordinates who helped Liu establish the Han dynasty. He had been serving as a prime minister until he found he couldn't physically afford the heavy workload at the age of 80. After he retired, he lost all of his teeth and was unable to chew food. He heard that human milk was rich in nutrition so he started to drink his wife's and concubines' human milk instead. In order to have enough human milk, he even married more than 100 concubines in his late life. He lived to be 104 years old and became the most long-lived Chinese prime minister.