News & CommentObituary RECENT DEATHS AND MEMORIALS See allHide authors and affiliations Science 19 Apr 1940:Vol. 91, Issue 2364, pp. 377DOI: 10.1126/science.91.2364.377 Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears below.
Science Vol 91, Issue 236419 April 1940 Table of Contents Print Table of Contents Back Matter (PDF) Front Matter (PDF)