# Chang Yŏngsil

> Korean mechanical engineer, scientist and inventor

**Wikidata**: [Q494615](https://www.wikidata.org/wiki/Q494615)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Chang_Yŏngsil)  
**Source**: https://4ort.xyz/entity/chang-y-ngsil


## References

1. Freebase Data Dumps. 2013