News & CommentMemorial J. D. MITCHELL By W. D. Hunter See allHide authors and affiliations Science 05 May 1922:Vol. 55, Issue 1427, pp. 469DOI: 10.1126/science.55.1427.469 W. D. Hunter 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.