Jonas Salk

Jonas Salk (1914-1995), “the man who saved the children,” developed a vaccine for polio, a terrifying disease that crippled and killed people. In the 1950s, when tens of thousands of children were infected each year, Dr. Salk worked in his laboratory sixteen hours a day, seven days a week, searching for a way to stop the epidemic. Volunteering to be among the first...

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