May 22, 1975
Certificate with seal and two signatures. Text reads: "For pioneering research and thinking on the nature of the chemical bond which has been of great help and inspiration to generations of chemists. For shedding the illumination of his fantastic intelligence to human problems as diverse as metallurgy and vitamins. Witness our hand and seal this 22nd day of May, 1975." Signed by the President and Secretary.
Awarded by The American Institute of Chemists.
Name: American Institute of Chemists