Complex sentence: USTC was founded in Beijing by the Chinese Academy of Sciences (CAS) in September 1958, the Director of CAS, Mr. Guo Moruo was appointed the first president of USTC.
Split into simpler sentences: USTC was founded in Beijing by the Chinese Academy of Sciences (CAS) in September 1958. The Director of CAS, Mr. Guo Moruo was appointed the first president of USTC.