In America in the 1950s, summertime was a time of fear and anxiety for many parents; this was the season when children by the thousands became infected with the crippling disease poliomyelitis, or polio. This burden of fear was lifted forever when it was announced that Dr. Jonas Salk had developed a vaccine against the disease. Salk became world-famous overnight, but his discovery was the result of many years of painstaking research. Jonas Salk was …showed first 75 words of 611 total…

…showed last 75 words of 611 total…center for medical and scientific research. Jonas Salk continued to conduct research and publish books, some written in collaboration with one or more of his sons, who are also medical scientists. Salk's published books include Man Unfolding (1972), The Survival of the Wisest (1973), World Population and Human Values: A New Reality (1981), and Anatomy of Reality (1983). Dr. Salk's last years were spent searching for a vaccine against AIDS. Jonas Salk died on June 23, 1995. He was 80 years old.