Correspondence, documents, reports, speeches, and articles prepared in his capacity as the Institution's Director (many of them handwritten). The subjects covered in the records include: War-time research in oceanography and marine biology; underwater explosives; study and testing of antifouling paints; temperature distribution in the surface layer of the North Atlantic; development of instruments to record and study sea and swell conditions in the ocean; air turbulence and convection over the ocean; underwater acoustics; seismic refraction measurement in shallow water; pollution of sea water, productivity of coastal waters; geophysics of continental shelves; hydrography of the Western North Atlantic; marine meteorology; development of oceanographic instruments; Pacific ocean biology; ecology of coastal waters; general marine biology; tides; chemical oceanography; geophysics of the ocean bottom; and the general growth of the Institution. An additional four cartons of material, previously located elsewhere will be integrated into the collection. These papers include scientific cruise notes, journals and logs from "Atlantis" and his private schooner "Chance"; lectures given at Harvard and MIT; manuscripts and drafts; memos to the US Navy (1940); photographs; and his first draft of his memoirs.