BIOGRAPHY 4.1	George Horace Gallup (1901-1984)
BIOGRAPHY 4.2	Adolphe Quetelet (1796-1874)
BIOGRAPHY 5.1	William J. Youden (1900-1971)
BIOGRAPHY 6.1	William Friedman (1891-1969) and Elizebeth Friedman (1895-1980)
BIOGRAPHY 7.1	Pafnuty L. Chebyshev (1821-1894)
BIOGRAPHY 8.1	Pierre Simon, Marquis de Laplace (1749-1827)
BIOGRAPHY 8.2	Abraham de Moivre (1667-1754)
BIOGRAPHY 8.3	Pierre de Fermat (1601-1665)
BIOGRAPHY 9.1	James Bernoulli (1654-1705)
BIOGRAPHY 9.2	Blaise Pascal (1623-1662)
BIOGRAPHY 9.3	Siméon Poisson (1781-1840)
BIOGRAPHY 10.1	Carl Friedrich Gauss (1777-1855)
BIOGRAPHY 12.1	William Sealy Gosset (1876-1937)
BIOGRAPHY 13.1	Ronald A. Fisher (1890-1962)
BIOGRAPHY 13.2	Jerzy Neyman (1894-1981)
BIOGRAPHY 13.3	Egon S. Pearson (1895-1980)
BIOGRAPHY 14.1	Karl Pearson (1857-1936)
BIOGRAPHY 15.1	John W. Tukey (1915-2000)
BIOGRAPHY 16.1	Francis Galton (1822-1911)
BIOGRAPHY 17.1	George W. Snedecor (1882-1974)
BIOGRAPHY 18.1	Lawrence R. Klein (1920- )
BIOGRAPHY 19.1	Julius Shiskin (1912-1978)
BIOGRAPHY 20.1	Irving Fisher (1867-1947)
BIOGRAPHY 21.1	Frank Wilcoxon (1882-1965)
BIOGRAPHY 21.2	Charles E. Spearman (1863-1945)
BIOGRAPHY 22.1	W. Edwards Deming (1900-1993)
BIOGRAPHY 23.1	Thomas Bayes (1702-1761)
BIOGRAPHY 23.2	Abraham Wald (1902-1950)