| Date | 1876 |
| Author | Bollinger |
| Contribution | Recognized infectious nature of actinomycosis. |
| Reference | Rippon |
| Notes | Named it lumpy jaw. Presumably in cattle. Agent now Actinomyces bovis. Then a "fungus"; later a "filamentous bacterium." Sometimes confused with Actinobacillus. See Hartz; Cohn; others. |
| Category | Causation |
| Pathogen Class | Bacteria |
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