Lee Je-ma was a prominent Korean physician and scholar during the late Joseon Dynasty, known for his contributions to traditional Korean medicine. He is best recognized for his work, Donguibogam, a comprehensive medical text that compiled various medical knowledge and practices of the time. This book is considered a significant achievement in the field of Korean medicine and has been recognized by UNESCO as part of the world's documentary heritage. Born in 1620, Lee Je-ma dedicated his life to studying and practicing medicine, emphasizing the importance of understanding the human body and its connection to nature. His teachings and writings have influenced generations of practitioners in Korean traditional medicine, making him a key figure in the history of medical practice in Korea.