The first reliable reference to Laozi is his "biography" in Shiji (63, tr. Chan 1963:35-37), by Chinese historian Sima Qian (ca. 145-86 BC), which combines three stories. First, Laozi was a contemporary of Confucius (551-479 BC). His surname was Li, and his personal name was Er or Dan "long ear." He was an official in the imperial archives, and wrote a book in two parts before departing to the West. Second, Laozi was Lao Laizi "Old Come Master," also a contemporary of Confucius, who wrote a book in 15 parts. Third, Laozi was the Grand Historian and astrologer Lao Dan ("Old Long-ears"), who liv...