Chang Ucchin (Korean: 장욱진; Hanja: 張旭鎭, 26 November 1917 – 27 December 1990) was one of the most representative modern Korean artists. He was known for his oil paintings that depicted Korean sceneries, animals, and children in simple and naive painting styles.
Source: “Chang Ucchin”, English Wikipedia (CC BY-SA 4.0), excerpt