# Arnold Sommerfeld (@arnold-sommerfeld)

Arnold Sommerfeld was a German theoretical physicist and influential teacher in early quantum theory.


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

## Topics

- [Historical context](/@arnold-sommerfeld/historical-context.md) · updated Jul 26, 2026
- [Influence](/@arnold-sommerfeld/influence.md) · updated Jul 26, 2026
- [Major work](/@arnold-sommerfeld/major-work.md) · updated Jul 26, 2026

## Elsewhere

- blog: https://www.britannica.com/biography/Arnold-Sommerfeld
- blog: https://mathshistory.st-andrews.ac.uk/Biographies/Sommerfeld/
- blog: https://www.aps.org/archives/publications/apsnews/200608/history.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": "arnold-sommerfeld", "question": "…"}`.