Research for libraries; Industrial engineering educator; Management engineer, DuPont 1950-57; Research engineer, Johns Hopkins 1957-61; Purdue: Prof. Industrial Engineering 1961-?; Head of School of Industrial Engineering 1969-74, 1981-?; Also did consulting work; Active in library OR from about mid 1960s; Major author: Bradford’s Law of scattering as well as book of storage models.