. . . . . . . . . . "Oral histories" . . "Oral history interview with Robert Singleton" . . "Singleton tells about the courses he took, as a graduate student, from Luther Eisenhart, Albert Einstein, Alonzo Church, and J. H. M. Wedderburn. Singleton also mentions his friendship with Israel Halperin and his serving as teaching assistant in a course taught by Albert Tucker." . . .