Although I firmly believe that the production of computers was a significant starting point for the advancement of technology that we can see nowadays. However, the finding of penicillin allowed the invention of some antibiotics such as amoxicillin, which helped the treatment of a variety of bacterial diseases. Because of this formulation, the morbidity rate decreased, hence allowing life expectancy to rise.In this context, it could be argued that the most important encounter in the last hundred years was penicillin.