Dmitri Iosifovich Ivanovsky was a Russian botanist, the discoverer of โvirusesโ and one of the founders of virology. He discovered extremely minuscule supposedly infectious agent in 1892. They were capable of permeating porcelain Chamberland filters, something which bacteria could never do. So masks serve what purpose then? From Wikipedia. Masks ๐ท๐ญ Martinus Willem Beijerinck was a Dutch microbiologist and botanist who was one of the founders of virology and environmental microbiology. He was verbally abusive to students, never married, and had few professional collaborations. He was also known for his ascetic lifestyle and his view of science and marriage being…
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