Scope and Contents From the Record Group: The collection contains articles written by Sylvan Wittwer including "Effective Management of Human and Physical Resources for International Agricultural Research," "Improving Storage Qualities of Crops by Treatment with Maleic Hydrazide," "Plasticulture," "Protected Cultivation of Horticulture Crops Worldwide," and "The Greenhouse Effect." Also included is a letter from Hubert H. Humphrey thanking Wittwer for his service on the Office of Technology Assessment's advisory panel on basic...