dr. jonas salk changed the world when he developed a vaccine to prevent polio.racle is being celebrated today. 19 years ago we thought, "wow, how is there no way to tell the good from the bad?" so we gave people the power of the review. and now angie's list... is revolutionizing local service again. you can easily buy and schedule... ...services from top-rated providers. conveniently stay up to date on progress. and effortlessly turn your photos into finished projects with our angies list app. visit angieslist.com today. >>> this weekend marking 60 years since a major medical revelation. dr. jonas salk developed the first safe and effective polio vaccine back in 1955. pave thing future for so many more immunizations. his research was made possible with the support from president roosevelt and the march of dimes. in celebration of the continued success of the march of dimes the u.s. mint releasing a commemorative silver coin featuring dr. salk and fdr. you can get your open by visiting u.s. manipulate.gov. >> parents a marylands a oddded with the government. chil

dr. jonas salk's work to fund a vaccine against polio. for five years dr. salk worked tirelessly on this effort while the country donated their dimes to the foundation to support his work. and then on april 12, 195 dr. thomas frances jr. an epidemiologist at the university of michigan and a mentor to salk announced that salk had discovered a polio vaccine that was safe and effective. when the announcement was made, it was as if time stood still. i still remember it as a kid. americans turned on their radios and tv's to hear the details. department stores set up loudspeakers and judges suspended trials so everyone in the courtroom could hear this good news. april 12 was deliberately chosen for the announcement because it marked the tenth anniversary of the death of the most famous polio survivor of all former president franklin delano roosevelt. roosevelt also founded what would become the march of dimes foundation in 1938 without which salk might not have been able to complete his work. a massive field trial the first of its kind, was conducted on over 1.8 m