Lu Yitong (1805-1863), styled Lancen and another one Tongfu, was an optimistic scholar with towering ambition. His political ideas were praised and approved by the then personage. He was also good at poem and painting. Besides these, he made considerable achievements in local topology. His "Topology of Pizhou" and "Topology of Qinghe" in the period of Emperor Xianfeng which dealt to the point with the relations among macro, mid and micro are all famous topologies in old-style topologies.