Martinus Beijerinck
| Martinus Beijerinck | |
|---|---|
| Born | 16 March 1851 Amsterdam, Netherlands | 
| Died | 1 January 1931 (aged 79) | 
| Alma mater | Leiden University | 
| Known for | One of the founders of virology, environmental microbiology and general microbiology Conceptual discovery of virus (tobacco mosaic virus) Enrichment culture Biological nitrogen fixation Sulfate-reducing bacteria Nitrogen fixing bacteria Azotobacter (Azotobacter chroococcum) Rhizobium Desulfovibrio desulfuricans (Spirillum desulfuricans) | 
| Awards | Leeuwenhoek Medal (1905) | 
| Scientific career | |
| Fields | Microbiology | 
| Institutions | Wageningen University Delft School of Microbiology (founder) | 
Martinus Willem Beijerinck (Dutch pronunciation: [mɑrˈtinʏs ˈʋɪləm ˈbɛiərɪŋk], 16 March 1851 – 1 January 1931) was a Dutch microbiologist and botanist who was one of the founders of virology and environmental microbiology. He is credited with the co-discovery of viruses (1898), which he called "contagium vivum fluidum".