Professor Chea Chang is currently the executive director of the Oriental Painting and Calligraphy Research Center of Nanjing University and a member of China Calligraphers Association. He is quite accomplished in calligraphy, painting and seal cutting. Combining art with scientific research, he conducted experimental aesthetics and quantitative research on the aesthetic dimension evaluation, behavior evaluation and landscape perception of calligraphy for the first time, and presided over the related project of National Natural Fund 1. The related achievements were published by the top international tourism and landscape journals "Tourism Management" and "Landscape and Urban Planning".