Lead: In 1937 Marie Curie died of leukemia caused in part by her long exposure to radiation seeking to determine its value in medical treatments. Today I would like to share a personal word.

Intro.: A Moment in Time with Dan Roberts.

Content: In the quarter century I have written and related these narratives as a public historian I have avoided making myself the focus of the story. Nevertheless, recently many loyal and supportive listeners have expressed concern about a perceived change in the quality of my voice. They are correct to have noticed this change. Perhaps the struggle of Madame Curie is a good platform to explore the value and challenges associated with radiation.