Edward Tufte’s suggested reading, “[f]or various and sometimes divergent ideas about teaching and presentations, see Joseph Lowman, Mastering the Techniques of Teaching (1995) [Amazon.com]; Wilbert J. McKeachie and Barbara K. Hofer, McKeachie’s Teaching Tips (2001) [Amazon.com]; Frederick Mosteller, “Classroom and Platform Performance,” The American Statistician, 34 (February 1980), 11-17 (posted at www.edwardtufte.com [here]; and Edward R. Tufte, Visual Explanations (1997) pp. 68-71 [Amazon.com].”
Update: This quote is from Tufte’s The Cognitive Style of PowerPoint. (Thanks, Gustav.)