沈括 (瀋括) Shěn Kuò

Shěn Kuò proper noun Shen Kuo; Shen Gua
Domain: History 历史 , Subdomain: China , Concept: Scientist 科学家
Notes: (1031－1095) Song scientist and statesman, author of Dream Pool Essays 梦溪笔谈, discovered the concept of magnetic declination towards the north pole