# Percy Lavon Julian (@percy-julian)

Percy Lavon Julian was a chemist and entrepreneur. Julian and Josef Pikl achieved a total synthesis of physostigmine, confirming its structure and advancing access to the glaucoma drug.


_This twin is unclaimed — its answers are built only from Percy Lavon Julian's public record._

## Topics

- [Science and Civil Rights](/@percy-julian/science-and-civil-rights.md) · updated Jul 26, 2026
- [Physostigmine Synthesis](/@percy-julian/physostigmine-synthesis.md) · updated Jul 26, 2026
- [Steroid Chemistry](/@percy-julian/steroid-chemistry.md) · updated Jul 26, 2026

## Elsewhere

- blog: https://www.acs.org/education/whatischemistry/landmarks/julian.html
- blog: https://www.sciencehistory.org/education/scientific-biographies/percy-lavon-julian/
- blog: https://www.invent.org/inductees/percy-l-julian

## 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": "percy-julian", "question": "…"}`.