Poeta e critico statunitense (Halifax, Nova Scotia, 1916 - Key West 1998). Tra le sue opere citiamo: The Garden is political (1941, poesie), The Lincoln lyrics (1942, poesie), No arch, no triumph (1945, poesie), The sorrows of cold stone (1951, poesie), Dylan Thomas in America (1955), The third rose: Gertrude Stein and her world (1959), William Carlos Williams: a critical study (1961), Skin diving in the Virgins and other poems (1970).