384 - 322 B.C.- "the first geniune scientist in history"
1822-1911- 1886 - Regression towards mediocrity in hereditary stature
- Account of the Invention of Correlation
1895 - 1980- co-author of Neyman-Pearson lemma ( null hypothesis testing)
- Son of Karl Pearson
- Teacher of George E.P. Box
1905 - 1988- University of Illinois 1945 - 1973
- factor analysis, personality
- worked with Charlse Spearman
- founded Society of Multivariate Experimental Psychology (1960)
- founded Multivariate Behavioral Research, journal of SMEP
1874 - 1949- Columbia University
- intelligence, learning, law of effect
- invited Cattell to US from England
1887 - 1955- University of chicago ( 1924 - 1952)
- opposed singular general intelligence (Spearman's Model)
- founded Psychometric Society (1935)
- founded Psychometrika, journal of Psychometric Society
1949 -2013- University Wisconsin-Madison (1960 - 1992)
- married to Joan Fisher, daughter of Ronald Fisher
- Time-series, Bayesian
- "all models are wrong, but some are useful"
- 1920 - 2003
- follower of Popper
- critic of NHST