Letters As History Will See Us By L. Greenberg See allHide authors and affiliations Science 24 Jan 1969:Vol. 163, Issue 3865, pp. 339DOI: 10.1126/science.163.3865.339-a L. Greenberg Find this author on Google Scholar Find this author on PubMed Search for this author on this site Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears above.