The collection documents Roddis's distinguished career in the general field of energy with emphasis on policy and strategic issues. Topics include electric power, gas resources petroleum, water power, energy conservation, the energy crisis of the 1970s, and alternative energy sources. Primarily documented in the collection are developments with nuclear power and within the nuclear industry. The collection also reflects Roddis's participation in a variety of public service, charitable, industrial, and trade organizations. Materials include reports, speeches, testimonies, rebuttals, annual reports, articles, clippings, studies, photographs, meeting minutes and agendas, memoranda, legal briefs, writings, and printed materials. The collection documents his involvement with the U.S. government on various energy issues, his interest in the human safety aspect of the energy industry, his professional interests in utility companies of which he was a board member, and his private work as a consulting engineer. U. S. government agencies and committees represented in the collection include the Dept. of Energy, the Energy Research Advisory Board, the Atomic Industrial Forum, the Federal Energy Administration, the Atomic Energy Commission, and the Energy Research and Development Administration.