Correspondence, biographical material, drafts and offprints of scientific articles, memoranda, minutes, notes and equations, reports, research material, rosters, schematics, and other papers documenting Gerson's career as a research physicist and his service as a member of the U.S. National Committee for the International Geophysical Year (1957-1958). Organizations represented include the American Geophysical Union, Cosmos Club, Mitre Corporation, National Academy of Sciences, and Syracuse University Research Corporation. Topics include airglow and auroras, ballistics research, cosmic rays, expeditions to Antarctic and Arctic regions, geomagnetism, glaciology, gravity, ionospheric research, meteorology, oceanography, radio wave propagation, rocket exploration of the upper atmosphere, rockets and artificial satellites, scientific cooperation between the Soviet Union and the United States, seismology, and solar activity.