Jonas Salk was home with his wife, but she could tell his mind was elsewhere—back in his lab, where work was proceeding apace on what would become the first vaccine against polio. “Why Jonas,” said Donna Salk, according to TIME’s March 29, 1954, cover story, “you’re not listening to me at all.”
“My dear,” he was said to have joked, “I’m giving you my undevoted attention.”
That Jonas Salk’s devotions lay