There are some people who have such a profound effect on the world at large that they are immortalised in the heart and minds of generations after generations of people. In that regard, Jonas Edward Salk is certainly among that select group of people due to his contribution to medical sciences that went on to improve the lives of millions of people all across the world. He was an American medical scientist who shunned a lucrative career as a doctor and instead devoted his best years to medical research. Jonas Salk was also a virologist of the highest reputation and was responsible for inventing the vaccine for one of the most damaging medical conditions that can surface due to a virus. Salk enjoyed a long and fruitful career as a researcher, which brought him recognition from some of the leading scientific research organisations in the world. However, something that has made Salk a legendary individual in the field of scientific research is the fact that he gave away his greatest discovery for free and according to experts he could have been a millionaire many times over if he had decided to cash in on it like so many others. Read on to know more about the life of this eminent virologist.