03/15/2024 8:36:00 amObituaryDavid W. HayesHayes’61, ’63 M.S.AlumniobituaryAlumni David W. Hayes (’61, ’63 M.S.), Aiken, South Carolina. He earned a bachelor’s and master’s in chemistry at UNT and a Ph.D. in chemical oceanography from Texas A&M, where he began research in measurement, modeling and transport of obscure radionuclide signatures in the environment. He patented an ocean tidal sampling device and co-patented a device that built on GPS technology. A senior fellow scientist at the Savannah River National Laboratory in South Carolina, he was appointed to the International Atomic Energy Agency in Vienna and served as a national technical expert and nuclear weapons inspector in Iraq from 1990 through 2002. He was a technical lead in performing nuclear inspections and a chief nuclear inspector with the organization Savannah River Site. An emeritus member of the American Chemical Society and a member of the American Geophysical Union, he served the American Nuclear Society as chairman of the Environmental Sciences division.