Stephen E. Malawista, M.D, was a member of the Department of Internal Medicine and Chair of the Section of Rheumatology at Yale. His research focused on the mechanisms of inflammation relevant to rheumatology. He was best known as the co-discoverer of Lyme disease. His papers include correspondence, section annual reports, correspondence and drafts on papers submitted for publication, grants and contracts, popular material on Lyme disease, presentations, published papers, and research notes.