Clip Description: "Jonas Salk"
Two of Jonas Salk's sons recall the character traits that led their father to become a research scientist and to focus his research on the development of the polio vaccine. David Oshinsky, Pulitzer Prize-winning author of "Polio: An American Story," details the circumstances which brought Jonas Salk to Pittsburgh.

More Clips

Film Clip 1: "What Is Polio?"

Film Clip 2: "Jonas Salk"

Film Clip 3: "Down To The Lab"

Film Clip 4: "Risk Vs. Reward"

Film Clip 5: "Why Can't This Happen About Other Things?"