New York poet, while at Harvard wrote, with Van Wyck Brooks, Verses by Two Undergraduates (1905). His next works, The Human Fantasy (1911) and The Belovéd Adventure (1912), are exuberant, athletic lyrics indicating the influence of Whitman and Henley. His later verse shows a change to philosophic poetry, tinged by ethereal mysticism, though still possessed of the same rhetorical qualities. A collection, Poems, 1911–1936 (1936), was followed by Poems Old and New (1956). Later works include The Gardener (1961, Bollingen Prize).