LettersDiscussion and Correspondence REACTION TIME AND FATIGUE See allHide authors and affiliations Science 16 Feb 1923:Vol. 57, Issue 1468, pp. 204-205DOI: 10.1126/science.57.1468.204-a R. H. TuckerFind 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 below.