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John Franklin Enders, widely renowned as "The Father of Modern Vaccines", made significant contributions to vaccinology. His pioneering research revolutionized the field by demonstrating the successful cultivation of viruses in cell cultures, leading to the development of numerous life-saving vaccines. Enders' breakthrough paved the way for the production of vaccines against diseases like mumps, measles, polio, and rubella, contributing immensely to global public health and saving countless lives.