| Date | 1847 |
| Author | Sluyter |
| Contribution | a. Found fungus Microsporon furfur (later Trichophyton) in skin. |
| Reference | Bullock |
| Notes | Agent of kind(s) of ringworm. Not clear whether Sluyter took a stand re causation. Not cited in Ainsworth. |
| Category | Causation |
| Pathogen Class | Fungi |
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