Zhang Heng
78 – 139 · China · Astronomy, Engineering, Literature
Built the first seismoscope and mapped 2,500 stars.
Index entry
Zhang Heng is currently a short index entry. The research desk can draft the full profile — achievements, works, living legacy and what is documented about the family line.
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Who shaped Zhang Heng, and who they shaped
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Passed the work to1
- Su Song
1020 – 1101 · Engineering, Astronomy
Han water-driven armillary astronomy is the engineering line Su Song's clock tower completes.
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