Complex sentence: Liang Siyong (13 November 1904 2 April 1954) was a Chinese archaeologist who was deputy director of the Institute of Archaeology of the Chinese Academy of Social Sciences, and is regarded as one of China's "first-generation archaeologists".
Split into simpler sentences: Liang Siyong (13 November 1904 2 April 1954) was a Chinese archaeologist. He was deputy director of the Institute of Archaeology of the Chinese Academy of Social Sciences, and is regarded as one of China's "first-generation archaeologists".