Qin Er Shi
Li Si (; 280 BCSeptember or October 208 BC) was a Chinese calligrapher, philosopher, politician, and writer of the Qin dynasty. He served as Chancellor (or Prime Minister) from 246 to 208 BC under two rulers: Qin Shi Huang, the king of the Qin state and later the First Emperor of the Qin dynasty; and Qin Er Shi, Qin Shi Huang's eighteenth son and the Second Emperor. Concerning administrative methods, Li Si "indicated that he admired and utilized the ideas of Shen Buhai", repeatedly referring to the technique of Shen Buhai and Han Fei, but regarding law followed Shang Yang.