# Duan Zhengcheng

> Chinese engineer (1934-2020)

**Wikidata**: [Q47668952](https://www.wikidata.org/wiki/Q47668952)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Duan_Zhengcheng)  
**Source**: https://4ort.xyz/entity/duan-zhengcheng


## References

1. [段氏伽马刀发明人段正澄院士去世. 2020](http://news.sciencenet.cn/htmlnews/2020/2/435790.shtm)
2. [因新冠肺炎辞世的“机械狂人”段正澄院士，与河南有不解之缘!. Dahe Daily. 2020](https://news.dahe.cn/2020/02-16/597214.html)
3. [Source](http://news.sciencenet.cn/htmlnews/2020/2/435790.shtm)
4. [Source](https://es.theepochtimes.com/profesor-chino-muere-a-causa-del-nuevo-coronavirus_618569.html)