落下闳 (落下閎) luò xiàhóng

luò xiàhóng proper noun Luo Xiahong
Domain: Literary Chinese 文言文 , Subdomain: , Concept: Scholar 学者
Notes: 156-87 BCE; A Western Han astronomer known for the development of the 太初历 Grand Inception Calendar System in 104 BCE (Guoyu '太初曆'; Wikipedia '落下閎')