Winner of a Nobel Prize in Chemistry for his work in the theory of valency; major contributor to the study of the structure of crystals and molecules and molecule abnormality in relation to disease; winner of the Nobel Peace Prize for his efforts to stop nuclear testing in the air and the resultant release of Carbon-14 into the atmosphere; foremost and most eminent advocate of using vitamin supplements, particularly vitamin C, in far greater doses than those recommended by the government: Linus Pauling reveals himself here as a man of wide-ranging interests and intelligence, who has used his scientific eminence to champion non-science causes. He also talks about some of his scientific insights and inspirations, which he ascribes to his knowledge of math, physics, mineralogy, biology, and immunology, as well as chemistry. (24 minutes)