H.D. (born Hilda Doolittle, 1886–1961) was an American expatriate writer whose work exerted enormous influence on modernist poetry and prose.
Jane Augustine is professor emeritus of English and humanities at Pratt Institute, Brooklyn, New York, and has held the H.D. Fellowship in American Literature at Beinecke Rare Book and Manuscript Library, Yale University, the site of H.D.'s collected papers. She is also the editor of H.D.'s The Mystery.