September 9, 1960
Certificate with text: "Awarded to: Dr. Linus Pauling. In recognition of the insight he provided all chemists concerning the nature of chemical unions; for significantly assisting all physiologists toward an understanding of the molecular structure of oxygen carrying hemoglobin; for courageously telling all men, from the summitry of professional science, that it is a natural and not a supernatural world in which we live."
Awarded by American Rationalist Federation.
Name: American Rationalist Federation