Are you talking about Confucian classics? Confucian Classics: A scholar who specializes in interpreting, annotating, researching and disseminating Confucian Classics (or "Confucian Classics"). Official Confucian classics usually serve as doctors and teaching assistants, but famous people in history are usually folk scholars.
There are too many Confucian classics scholars in the Han Dynasty, and no one is unified. Here are some famous ones: Zheng Xuan, Liu Xiang, Lu Bushu, Dong Jun, Chen Qin, Chen Yuan, Kuang Heng, Ma Rong and Dong Zhongshu.