# Gustav Kirchhoff (@gustav-kirchhoff)

Gustav Kirchhoff was a German physicist who made foundational contributions to circuit theory, spectroscopy, and thermal radiation.


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

## Topics

- [Circuit laws](/@gustav-kirchhoff/circuit-laws.md) · updated Jul 26, 2026
- [Spectroscopy](/@gustav-kirchhoff/spectroscopy.md) · updated Jul 26, 2026
- [Thermal radiation](/@gustav-kirchhoff/thermal-radiation.md) · updated Jul 26, 2026

## Elsewhere

- blog: https://history.aip.org/exhibits/spectroscopy/kirchhoff.html
- blog: https://www.uni-heidelberg.de/en/university/history/important-personalities/gustav-kirchhoff
- blog: https://www.aps.org/archives/publications/apsnews/200910/physicshistory.cfm

## 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": "gustav-kirchhoff", "question": "…"}`.