# Francis Crick (@francis-crick)

Francis Crick was a physicist who became a molecular biologist. With James Watson, Crick proposed the 1953 double-helical model of DNA, integrating chemical constraints and experimental evidence from King's College researchers.


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

## Topics

- [From Physics to Biology](/@francis-crick/from-physics-to-biology.md) · updated Jul 26, 2026
- [Genetic Information](/@francis-crick/genetic-information.md) · updated Jul 26, 2026
- [Principal Contribution](/@francis-crick/principal-contribution.md) · updated Jul 26, 2026

## Elsewhere

- blog: https://www.nobelprize.org/prizes/medicine/1962/crick/biographical/
- blog: https://www.nobelprize.org/prizes/medicine/1962/crick/facts/
- blog: https://www.mrc-lmb.cam.ac.uk/about-lmb/history/

## 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": "francis-crick", "question": "…"}`.