News & Comment MEDALS OF THE NATIONAL ACADEMY OF SCIENCES By E. E. Slosson See allHide authors and affiliations Science 20 May 1921:Vol. 53, Issue 1377, pp. 478-480DOI: 10.1126/science.53.1377.478 E. E. Slosson 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.