Prof. David A Nagib from The Ohio State University visited our group Date:Nov 11, 2019 Read times: Dr. David A Nagib, visited our group and college of chemistry on Nov. 11, 2019, and gave us a wonderful lecture entitled with C-H and C-O Functionalization via Radical Chaperones. PreNews: Prof. Carsten Bolm from RWTH Aachen University visited our group NextNews: Prof. P. Andrew Evans from Queen‘s University visited our group