. . . "Writer" . . "Sima Tan"@en . "-165Z"^^ . "-110Z"^^ . . "Sima Tan (Chinese: \u53F8\u99AC\u8AC7; Wade\u2013Giles: Ssu-ma T'an, c. 165 BC \u2013 110 BC) was an early Chinese historian who worked under the Western Han. He studied astronomy with Tang Du, the I Ching under Yang He, and Daoism under Master Huang. He held the position of Court Astrologer (\u592A\u53F2\u4EE4) between 140-110 BC. While Sima Tan had begun the Records of the Grand Historian (Shiji), he died before it was finished. It was left to his son, Sima Qian, to complete."@en . . . . .