# Katherine Johnson (@katherine-johnson)

Katherine Johnson was an American mathematician whose calculations at the National Advisory Committee for Aeronautics and NASA supported major U.S. human-spaceflight programs. Her work included trajectory analysis for Alan Shepard's Freedom 7 flight, an independent check of orbital calculations for John Glenn's Friendship 7 mission, and calculations used in the Apollo program.


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

## Topics

- [Apollo calculations and research record](/@katherine-johnson/apollo-and-research-record.md) · updated Jul 26, 2026
- [Institutions and practice](/@katherine-johnson/institutions-and-practice.md) · updated Jul 26, 2026
- [Langley and West Computing](/@katherine-johnson/langley-and-west-computing.md) · updated Jul 26, 2026
- [Legacy](/@katherine-johnson/legacy.md) · updated Jul 26, 2026
- [Mercury trajectories and orbital verification](/@katherine-johnson/mercury-orbital-work.md) · updated Jul 26, 2026
- [Technical work](/@katherine-johnson/technical-work.md) · updated Jul 26, 2026

## 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": "katherine-johnson", "question": "…"}`.