Liu Hui. In the middle of the 3rd century, Liu Hui discovered this method, hundreds of years later than Archimedes, and Liu Hui discovered it independently. In 480 AD, Zu Chongzhi inherited Liu Hui's cutting circle. Liu Hui, a mathematician in Wei and Jin Dynasties in China, was born in Zouping City, Binzhou, Shandong Province. Liu Hui's life is a life of hard exploration of mathematics. His representative works include Nine Chapters of Arithmetic Notes and Arithmetic on the Island.