This fine movie has a very inspirational message and Rosalind Russell's strong performance delivers it. Based on a true story, Sister Kenny never wavers from her conviction about the amazing treatment she has discovered for helping polio sufferers. This film should be considered a classic and a must see for the encouragement of dedication towards a worthy cause, as this story delivers so strongly. Rosalind Russell was a perfect choice to play the strong-willed nurse with an important mission. Philip Merivale is equally good as the stubborn nemesis Dr.Brack, whom Sister Kenny must continually battle against his cynicism of her treatments. Presented well, this film does not mire down in sentimentality, but rather, proceeds at an entertaining pace, sufficiently delivering an uplifting story. I found this to be an enjoyable and worthwhile movie that has stood the test of time.