Find historical information on the statisticians who developed statistical tests, such as the normal distribution, Student t distribution, Chi-Square distribution, F distribution, Mann-Whitney test, Pearson product-moment correlation, Spearman rank correlation, Wilcoxon nonparametric tests, Kruskal-Wallis test, Levene test, Ryan-Joiner test, Fisher exact test, and McNamar test. Tell us who these people are and how they happened to make their discoveries and subsequent creations. Identify your Internet sources with an active link.