Complex sentence: Lehman has been awarded fellowships from the Guggenheim Foundation, the Ingram Merrill Foundation, and the National Endowment for the Arts, and received an award in literature from the American Academy of Arts and Letters and a Lila Wallace-Reader's Digest Writer's Award.
Split into simpler sentences: Lehman has been awarded fellowships from the Guggenheim Foundation, the Ingram Merrill Foundation, and the National Endowment for the Arts. He's also received an award in literature from the American Academy of Arts and Letters, and a Lila Wallace-Reader's Digest Writer's Award.