Born in Buan in 1935, Kim Jeong-rak was taught Korean traditional architecture by potters Kim Hyung-oh, Kim Young-sun, and Ko Taek-young from childhood.

The head of a ranch refers to a carpenter who performs the art of building a house with timber and finishing and trimming timber according to the technique. The lower part of the head of a ranch is composed of left and right sides.

Kim Jeong-rak has been engaged in hanok architecture in the Jeolla provinces and other areas of the Jeolla provinces for more than 50 years, especially in Confucian architecture such as Seowon, Hyanggyo and Jaesil.