Soon “flexagons” were appearing in profusion ... Feynman, a graduate student in physics; and John W. Tukey, a young mathematics instructor. The models were named hexaflexagons—“hexa ...

Tukey’s multiple comparison test, developed by statistician John Tukey, is also called Tukey’s honestly significant difference test or Tukey’s HSD. This method is often used as a post hoc ...