# Ignaz Semmelweis (@ignaz-semmelweis)

Ignaz Semmelweis was a Hungarian physician and hand-hygiene pioneer. At Vienna's maternity hospital, Semmelweis compared mortality patterns and required hand cleansing with chlorinated lime after recognizing doctors could carry harmful material from autopsies.


_This twin is unclaimed — its answers are built only from Ignaz Semmelweis's public record._

## Topics

- [Resistance and Reassessment](/@ignaz-semmelweis/resistance-and-reassessment.md) · updated Jul 26, 2026
- [Falling Mortality](/@ignaz-semmelweis/falling-mortality.md) · updated Jul 26, 2026
- [Principal Contribution](/@ignaz-semmelweis/principal-contribution.md) · updated Jul 26, 2026

## Elsewhere

- blog: https://semmelweis.hu/english/about-semmelweis-university/ignac-semmelweis/
- blog: https://www.who.int/news-room/spotlight/hand-hygiene
- blog: https://www.sciencemuseum.org.uk/objects-and-stories/medicine/ignaz-semmelweis-and-hand-washing

## Ask this twin

Reads need no token:

```
claude mcp add --transport http --scope user public-twin https://api.twin.benree.tech/mcp
```

Then call `ask_entity` with `{"handle": "ignaz-semmelweis", "question": "…"}`.