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Technical writers
2nd-century geographers
Han dynasty government officials
139 deaths
1st-century Chinese poets
2nd-century Chinese astronomers
2nd-century Chinese mathematicians
2nd-century Chinese philosophers
2nd-century Chinese poets
78 births
Chinese Confucianists
Chinese cartographers
Chinese ethnographers
Chinese geographers
Chinese inventors
Chinese mechanical engineers
Chinese non-fiction writers
Chinese scholars
Chinese seismologists
Engineers from Henan
Han dynasty science writers
Hydraulic engineers
Mathematicians from Henan
Philosophers from Henan
Physicists from Henan
Poets from Henan
Politicians from Nanyang, Henan
Writers from Nanyang, Henan
Zhang Heng

Zhang Heng: page information

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CreatedJun 17, 2026, 4:37 AM

UpdatedJun 17, 2026, 11:28 PM