In this article Discovery of bacteria is discussed. So if you don't know about Discovery of bacteria , then you need to read this article word by word. Discovery Of Bacteria: 1. Contributions Of Antonie Van Leeuwenhoek: He was known as microscopist. He for the first time discovered bacteria. For discovery of bacteria he done his discovery by using single lens microscope which was designed by him. In a series of letter to "Royal Society Of London" he published his observations regarding discovery of bacteria. In his observations protozoans were also included and he called them "animalcules. 2. Contributions Of Christian Gottfried Ehrenberg: For the first time introduced the term " Bacterium" in 1828. The Bacterium which he studied was a genus which contain non spore forming rod-shaped bacteria. As opposed to bacillus bacteria, Ehrenberg in 1835 defined a genus of non spore forming rod-shaped bacteria. 3. Contributions Of Louis Pastuer: In 1859, Louis Pastuer...