Ralph Allan Bradley (November 28, 1923 – October 30, 2001) was a Canadian-American statistician and statistics educator, whose research lie in the fields of design of experiments, nonparametric statistics, sequential analysis, and multivariate analysis.
He is known for the Bradley–Terry model in pairwise comparison[1] and foundation of the Department of Statistics at Florida State University.
He received his PhD in theoretical statistics in 1949 at the University of North Carolina at Chapel Hill under the supervision of Harold Hotelling.
Bradley was employed at McGill University from 1949 to 1950 and as a faculty member at Virginia Tech from 1950 to 1958.
[3] The statistics department of the University of Georgia organizes an annual lecture in his name.