Saving people, hunting things, the family business. ???? #Supernatural is celebrating its 300th episode with an epic Winchester family reunion! See our exclusive report from the set for all the details:
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This is Jonas Salk (1914 - 1995) who decided not to patent his 1955 polio vaccine so that it would be affordable for millions of people who couldn't afford it. As a result, he lost out on an estimated 7 billion dollars.