The surgeon approached the patient's head with a large, shining power tool. On the wall a sign warned others: PLEASE OBSERVE SILENCE. THE PATIENT IS AWAKE. "Maggie, do you hear me?" said the doctor. "We're going in." The drill hummed. Even a few men in the TV camera crew instinctively turned away.
As played by Teresa Wright on this week's NBC Sunday Showcase, LIFE Photographer Margaret Bourke-White, who seven years ago showed the first signs of Parkinson's disease, relived a major battle against the mysterious, crippling affliction widely considered incurable. In the care of a brilliant New York surgeon, Dr....