When and who created the 40-style Yang-style Tai Ji Chuan?

The 40-style Yang Tai Ji Chuan was created and edited on 1989. China Martial Arts Research Institute (the predecessor of China Martial Arts Institute) organized Chen, Yang, Wu and Sun's four-style Tai Ji Chuan competition routines writing group, organized a technical review group, and invited famous Tai Ji Chuan artists to make a careful review. Finally, it was approved and published by China Wushu Research Institute.

The members of the four-style Tai Ji Chuan competition routine writing group are: Zhang Wenguang, Zhang Shan, Men Huifeng, Li Bingci, Kan Guixiang and Yuee Ji.

The technical audit members of the four-style Tai Ji Chuan competition routines are:, Li Tianji,,, Zhou, Xia Baihua,, Shao Shankang, Feng Zhiqiang, Chen Xiaowang, Zhang Yongan, Zeng Nailiang, Li Chengxiang and Feng Rulong.