(English) Lee Geunho: Associate professor in the department of history at Chungnam National University. He specializes in the study of Joseon dynasty. 

Lee Sangsik: Lecturer in the department of history and education at Woosuk University. He specializes in the political system of the Joseon dynasty. 

Yun Jeong: Professor in the department of social studies and education at Chinju National University of Education. She specializes in the history of political thought during the Joseon dynasty. 

Kim Deoksu: Head researcher at the Academy of Korean Studies. He specializes in the classical Korean literature. 

Jeong Eunju: Senior researcher at the Academy of Korean Studies. She specializes in art history. 

Kim Taehun: Research professor at the Institute of Japanese Studies at Dankook University. He specializes in the history of the Korean-Japan relation during the Joseon dynasty.