(Indiana University Press, 2009), New & Selected Poems
(University of Arkansas Press, 1996), Let There Be Light
(Harcourt Brace, 1991), Apes and Angels
His poetry and fiction have won many awards, including a fellowship in poetry from the National Endowment for the Arts, the Castagnola Award from the Poetry Society of America, the Friend of Darwin Award from the National Center for Science Education, and the Humanist Arts Award of the American Humanist Association, and have appeared in scores of publications, including Harper's Magazine, The Nation, New Republic, New York Times, Paris Review, Partisan Review, Poetry, Sewanee Review, and Yale Review. He has given readings of his poetry at the Library of Congress, the Guggenheim Museum, the Huntington Library, and many universities. Distinguished Professor Emeritus at Indiana University, he is a founding member of the Poets Advisory Committee of Poets House, New York, a former member of the governing board of the Poetry Society of America, and a member of the Academy of American Poets, PEN American Center, Poets & Writers, Inc., and the Authors Guild of America.