Who is Bai Qi, a famous person in history? From which dynasty?

Bai Qi (? - 257 BC), surnamed Mi, Bai family, named after Duke Bai of Chu won. During the Spring and Autumn Period, the Chu king arrogated the title of king, and the officials and county magistrates arrogated the title of duke. Bai Qi was the successor of Bai Gong, so he was also called Gongsun Qi. Bai Qi, known as "Human Slaughter", was one of the four generals of the Warring States Period (the other three were Wang Jian, Lian Po, and Li Mu) and was a famous general of the Qin State during the Warring States Period. A native of Xi (now northeast of Xi County, Shaanxi Province), he was another outstanding military strategist and commander in Chinese history since Sun Wu and Wu Qi.