McDonald_69'Blind alleys are always opportunities': The scientist who developed the polio vaccine
On 12 April 1955, Dr Jonas Salk announced that his vaccine was safe and effective. It would go on to save countless lives – but he refused to profit from it. In 1982, Salk talked to the BBC about his breakthrough.
https://www.bbc.com/culture/article/20260401-the-scientist-who-developed-the-polio-vaccine
