Instructor, assistant professor, associate professor of University Illinois, 1938-1948. Associate professor Johns Hopkins, 1948-1953, professor, 1953-1969, Caroline Donovan professor, 1969-1973. Visiting professor of University Wisconsin, summer 1951, Columbia, 1959, 61, U. Washington, 1962, U. Colorado, 1963, Harvard, 1966.
Guggenheim fellow, 1967-1968.
Author: Elizabethan Poetry in the Eighteenth Century, 1947. The Finer Tone, Keats’ Major Poems, 1953. The Subtler Language.
Critical Reading of Neo-classic and Romantic Poems, 1959. Pope’s Epistle to Bathurst, 1960. Shelley’s Prometheus Unbound.
A Critical Reading, 1965. Senior editor ELH a WASSERMAN Journal English Literary History. Editorial board Studies in English Literature.
Contributor professor journals.