Charles Windridge

Dr Charles Windridge has studied Chinese history and culture over a lifetime. He is the author of a number of science and language books for schools, including The Fountain of Health: An A-Z of Traditional Chinese Medicine. Cheng Kam Fong was born in China and spent her childhood years in Guangzhou (Canton), where she developed her deep knowledge of Tong Sing. She has used Tong Sing extensively for over fifty years.