Prof. Herbert Mayr from Ludwig-Maximilians-University Munich visited our group Date:Nov 11, 2019 Read times: Dr. Herbert Mayr, visited our group and college of chemistry on Oct. 30, 2019, and gave us a wonderful lecture entitled with Coupling of Primitive Changes. PreNews: Prof. P. Andrew Evans from Queen‘s University visited our group NextNews: Prof. Jian Jin from Shanghai Institute of Organic Chemistry visited our group