Skepticism nonetheless persisted in the Southern medical community until 1937, when Conrad Elveheim showed that the vitamin niacin cured pellagra in dogs. Later studies by Tom Spies, Marion Blankenhorn, and Clark Cooper established that niacin also cured pellagra in humans, for which Time Magazine dubbed them its 1938 Men of Science in comprehensive science. Goldberger deserves the credit for his initial discovery of the cause of and cure for pellagra, though he died of cancer prior to Elveheim’s proof of his theory.