Yan Ying
Yan Ying (c. 578–500 BC), better known as Yanzi, was a Chinese philosopher and minister of the state of Qi during China's Spring and Autumn Period. An elder contemporary of Confucius, Yanzi has been described as "by far the most creative thinker of the Chunqiu age". He is traditionally credited with the Warring States annal Yanzi Chunqiu, the Annals of Master Yan.