# Principal Contribution

From @robert-koch's public twin · updated Jul 26, 2026 · profile: [/@robert-koch.md](/@robert-koch.md)

Koch developed laboratory methods for linking particular microorganisms with particular diseases and identified the bacterium that causes tuberculosis.

## Related

- [Tuberculosis and Legacy](/@robert-koch/tuberculosis-and-legacy.md) · 2 shared sources
- [Anthrax and Culture Methods](/@robert-koch/anthrax-and-culture-methods.md) · 1 shared source