For basic studies in the fracture of and toughening mechanisms in ceramics and ceramic composites, in the establishment of the relationships between microstructure and composition and mechanical behavior, and in the development of advanced ceramic materials.
For applying molecular beam techniques to study chemically reactive collisions, helping to lay the foundation for the present field of chemical dynamics, and for pioneering studies in accelerator-based atomic physics, ion-solid interactions, and the channeling of ions, electrons and positrons in crystalline solids.
For advances in neutron and gamma-ray dosimetry, the transport of electricity through gases, and the development of laser-based one-atom detection with applications in nuclear physics, solar neutrino research, and oceanic, geologic, and environmental research
For research on the processes involved in the induction of mutations, elucidating the roles and sequences of DNA repair and replication in converting radiation or chemical damage into mutations, and for contributions to the understanding of biological control mechanisms at the cellular level
For work at the forefront of neutron scattering research, for early work on the fundamentals of scattering from ferromagnetic materials, and for significant contributions to understanding the complex magnetic structures and properties of elements and compounds such as the heavy rare-earth metals
For work in magnetic resonance, including the early evaluation of spins and moments of radioactive nuclei and experiments in nuclear quadrupole spectroscopy, and for the application of electron spin resonance to study free radicals trapped in solids and short-lived radicals in pyrolyzed fluids
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