Sima Guang, Chinese historian and statesman (b. 1019)
Sima Guang (17 November 1019 – 11 October 1086), courtesy name Junshi, was a Chinese historian, politician, and writer. He was a high-ranking Song dynasty scholar-official who authored the monumental history book Zizhi Tongjian. Sima was a political conservative who opposed Wang Anshi's reforms.