Tan. Wang Qu's calligraphy was already well-known in the capital at that time, and he had the reputation of "all the plaques are written on Qu, and all the calligraphy is not learned from Tan". Mr. Tan Xinpei is almost unknown to the majority of theater fans. He not only founded the "Tan School", the most important Laosheng school of Peking Opera, but also shot China's first silent film "Dingjun Mountain".