Beginning of Essay
Lazzaro Spallanzai, was the Italian physiologist who was one of the founders of experimental biology. Born in Scandiano, a small town in the providence of Emilia on Jan. 12, 1729 , Spallanzani was among the many dedicated philosophersof the eighteeth century (Lazz ....

Middle of Essay
.... years he became a priest and added himself to two congregations in Modena (Gillispie,2). Spallanzani, in hundreds of experiments tested various rituals for rendering infusions permanently barren and finally found that they remained free of microorganisms when put into flasks that were sealed and the contents boiled for one hour (Lazzaro...1).The entrance of air into the flask through a slight crack in its neck was followed infusoria. He reported no spontaneous generation in strongly heated infusions protected from aerial contamination. In 1765, after cutting up thousands of earthworms and exploiting the ability of the aquatic salamander to regrow ....