Conjunctivitis is an inflammation or swelling of the conjunctiva. The conjunctiva is the thin transparent layer of tissue that lines the inner surface of the eyelid and covers the white part of the eye. Often called pink eye, conjunctivitis is a common eye disease, especially in children. It may affect one or both eyes.
Pasteur, LouisPhotos.com/Thinkstock. Louis Pasteur, (born December 27, 1822, Dole, Franceâdied September 28, 1895, Saint-Cloud) French chemist and microbiologist who was one of the most important founders of medical microbiology. Pasteurâs contributions to science, technology, and medicine are nearly without precedent.
Ferdinand Cohn was also the first to formulate a scheme for the taxonomic classification of bacteria. Louis Pasteur (1822â1895) and Robert Koch (1843â1910) were contemporaries of Cohnâs and are often considered to be the founders of medical microbiology. Pasteur is most famous for his series of experiments designed to disprove the then widely held theory of spontaneous generation, thereby solidifying microbiologyâs identity as a biological science.