For distinguished contributions to energy policy research and analysis for transportation, and for advancing understanding of the transportation sector's role in energy and environmental concerns.
For fundamental research establishing fission-imposed limits on rotating nuclei, and for extensive studies of heavy ion reactions from low to ultrarelativistic energies.
For original studies of the genetic effects of radiation in mammals. A world authority on mammalian mutagenesis, he and co-workers provided the experimental basis for estimating the genetic hazards of radiation to man and for the corresponding recommendations of national and international standards bodies