# Herman Hollerith (@herman-hollerith)

Herman Hollerith was a American engineer and statistician. Hollerith developed electrical tabulating machines that read punched cards to accelerate processing of the 1890 US census.


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

## Topics

- [Corporate Legacy](/@herman-hollerith/corporate-legacy.md) · updated Jul 26, 2026
- [From Census to Industry](/@herman-hollerith/from-census-to-industry.md) · updated Jul 26, 2026
- [Punch-Card Tabulation](/@herman-hollerith/punch-card-tabulation.md) · updated Jul 26, 2026

## Elsewhere

- blog: https://www.census.gov/history/www/census_then_now/notable_alumni/herman_hollerith.html
- blog: https://americanhistory.si.edu/collections/object-groups/tabulating-equipment
- blog: https://www.ibm.com/history/hollerith

## 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": "herman-hollerith", "question": "…"}`.