1 Louis Pasteur

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Seventeenth-century Dutch scientist Antonie van Leeuwenhoek, also known as the Father of Microbiology, is remembered as a pioneer of microscopy. His contribution to microbiology included the discovery of spermatozoa, bacteria, and muscle fibers. Though he had not authored any book, his letters to the Royal Society were later published.
Robert Koch was a German microbiologist and physician. One of the prominent co-founders of modern bacteriology, Koch is credited with creating and improving laboratory techniques and technologies in the field of microbiology. He is also credited with making important discoveries in public health. In 1905, Robert Koch won the Nobel Prize in Physiology or Medicine for his research on tuberculosis.