= Zhang Heng
{wiki=Zhang_Heng}
Zhang Heng (78–139 AD) was a prominent Chinese polymath during the Eastern Han Dynasty, known for his contributions to the fields of astronomy, mathematics, engineering, and literature. He is particularly famous for several achievements: 1. **Seismology**: Zhang Heng invented the first known seismoscope, called the "Houfeng Didong Yi," around 132 AD. This device could detect the direction of an earthquake and was significant in the study of seismic activity.
Back to article page