Lixin Guo
![Lixing Guo giving a lecture](https://upload.wikimedia.org/wikipedia/commons/d/da/Lixin_Guo_Lecture.jpg)
Lixin Guo research the Panlongcheng archaeological site together with another professor of Ancient Chinese history, Olga Gorodetskaya, and can be considered an expert on Erligang and Erlitou cultures. He has also researched and written books on Shijiahe culture and other cultures of the middle Yangtze river. Provided by Wikipedia