Richard J Norby For his research on the effects of elevated levels of atmospheric carbon dioxide on terrestrial ecosystems.
John T Mihalczo For expertise in developing neutron detection technologies used in scientific research and in nuclear weapon and arms control verification.
James E Turner For fundamental studies in radiation physics and dosimetry, in research to link the basic physics and chemistry of biological molecules irradiated in aqueous solution, and the physicochemical characterization of chemical pollutants