Guo Xiang
Two influential "Xuanxue" scholars were Wang Bi and Guo Xiang, editors and leading commentators on the "Daodejing" and "Zhuangzi", respectively. For instance, the "Daodejing" exists in two received versions named after the commentaries. While the "Heshang Gong version" explains textual references to Daoist meditation, the "Wang Bi version" does not. Richard Wilhelm said the Wang Bi commentary changed the "Daodejing" "from a compendiary of magical meditation to a collection of free philosophical ""."