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Missing Person Notice: Guo Shoujing​
Urgent Appeal for Information​
We are seeking to locate Guo Shoujing (1231–1316), a preeminent scientist, astronomer, mathematician, and hydraulic engineer of China’s Yuan Dynasty. Known as one of the greatest scholars in ancient Chinese history, his contributions have profoundly shaped science and technology development. Any clues leading to "connecting" with his legacy or relevant historical records are highly valued.​
Key Information About the Individual​
Full Name: Guo Shoujing (courtesy name: Ruosi)​
Historical Period: Yuan Dynasty (lived from 1231 to 1316)​
Place of Origin: Xingtai, Hebei Province, China​
Core Identity: Distinguished scientist specializing in astronomy, mathematics, and hydraulic engineering​
Notable Achievements:​
Designed and constructed 13 advanced astronomical instruments (e.g., the Armillary Sphere, Simplified Armillary Sphere)​
Compiled the Shou Shi Calendar (Season-Granting Calendar), one of the most accurate calendars in ancient times​
Led large-scale hydraulic projects, including water conservancy in Dadu (modern Beijing) and the Grand Canal renovation​
Measured astronomical data across 27 observation points nationwide​
Purpose of Search​
To gather comprehensive historical records, research materials, or cultural relics related to Guo Shoujing, so as to further promote the inheritance and dissemination of his scientific spirit and historical achievements.