Peter H. Schönemann,  (July 15, 1929 - April 7, 2010)
Ph.D. University of Illinois, 1964
Thurstone Postdoctoral Fellowship, University of N. Carolina, 1965-66
Assistant then Associate Professor, Ohio State University, 1966-69
Postdoctoral Fellow, Educational Testing Service, 1967-68
Associate Professor of Psychology, Purdue University, 1969-2001

(with wife Roberta. Photo courtesy S. Nishisato, Toronto, Canada).
 

(1) Multivariate methods: Path analysis, factorial definitions of "intelligence," factor indeterminacy,  statistical power in confirmatory factor analysis,  Spearman Hypothesis artifact. 

(2) Multidimensional scaling and measurement: Unfolding, subjective metrics models,  multidimensional psychophysics,  metrics for bounded response scales.

(3) Quantitative behavior genetics: Variance component models for  heritability indices based on twin data, "non-shared environment". 

(4) Test theory: Hit-rate bias, base-rate problem, minority discrimination. 

(5) Mathematical tools for social scientists: Matrix derivatives, correlation and convolution algebra.