George Samuel Hurst (13 October 1927 – 4 July 2010) was a health physicist, scientist, inventor, educator and innovator. He developed the omnipresent touchscreen technology and single atom theory. Hurst spent his career at Oak Ridge National Laboratory where he was involved with: neutron survey meters; alpha survey meters; ionizing radiation dosimetry; gas ionization studies; Nevada Test Site gamma and neutron radiation measurements; vacuum ultraviolet (VUV) radiation and the Jesse effect; time-of-flight investigations; electron swarm measurements; study of atomic bomb survivors from Hiroshima and Nagasaki; radiation accident investigations; radiation dosimetry projects for NASA; microdosimetry; one-atom detection and single atom detection; solar neutrino experiments; magnetic monopole det