Guo, born in 1967, is the author of Secret Writing under Classicism and Common Sense of Literature and History Most Easily Misunderstood by China People, and co-authored a series of interesting reading historical records. Young scholar, teacher of Henan University.

Xu Hui, born in 1969, is the editor-in-chief of temperament in 1960s. He is the author of The Back Door of China History, Body Charm: Body Politics in China History, Specimens of the Lost Age: Personality Disorder in China History, and co-authored the series of Historical Records of Interesting Reading. Freelance writer. Now lives in Beijing.