05.09.1974 (50 years)
Yan Su (Chinese: 阎肃; 9 May 1930 – 12 February 2016) was a Chinese playwright and lyricist who served as vice-president of China Theatre Association. He held the civilian rank equivalent to general in the PLA Air Force Political Department Song and Dance Troupe. He was a National Class-A Screenwriter. He was a member of China Writers Association and China Music Copyright Association. He was a visiting professor at Heibei Institute of Communications.