Also nankin busshi or nankyō busshi 南京仏師, yamashinadera busshi 山階寺仏師, otera busshi 御寺仏師. A group of Buddhist sculptors *busshi 仏師 working in Nara that descended from sculptors Raijo 頼助 and Kōjo 康助, founders of the Kōfukuji 興福寺 workshop *bussho 仏所 in the late 11th century. Records name six generations of sculptors dating back to Jōchō 定朝 (?-1057), followed by Kakujo 覚助, Raijo, Kōjo, and Seichō 成朝. In the late 12th century, the Kōfukuji workshop became well-known for the influential sculptors Kōkei 康慶, Unkei 運慶 (?-1223) and Kaikei 快慶, whose school became known as *Kei-ha 慶派. Exposure to ancient (6th-8th century) works and other elements of Chinese art are said to have given nara busshi a style distinct from Kyoto sculptors *kyoto busshi 京都仏師. This formed the basis of the Kei-ha style in the Kamakura period, Kamakura shin'yō 鎌倉新様. After the late 14th century, nara busshi, including the Kei-ha, were called *nanto busshi 南都仏師.