Kim Bu-sik was a prominent Korean historian and scholar during the late Goryeo and early Joseon dynasties. He is best known for his work on the historical text called the "Samguk Sagi," which chronicles the history of the Three Kingdoms of Korea: Goguryeo, Baekje, and Silla. His contributions helped lay the foundation for Korean historiography. In addition to his historical writings, Kim Bu-sik served in various government positions, reflecting his influence in both academia and politics. His dedication to documenting Korea's past has made him a significant figure in the study of Korean history.