High Quality Content by WIKIPEDIA articles! Wang Can (177 217) was a politician, scholar and poet during the late Eastern Han Dynasty in ancient China. HE contributed greatly to the establishment of laws and standards during the founding days of the Principality of Wei predecessor to the later Cao Wei Dynasty under Cao Cao. FOr his literary achievement Wang Can was ranked among the Seven Scholars of Jian'an. WAng Can was also renowned for his photographic memory. THe Chronicles of the Three Kingdoms describes an incident where Wang Can was watching a game of go. SOmeone accidentally knocked into the board and scattered the pieces. WAng Can then placed the pieces back to their original positions based on memory.