Presidential Physician: Beecher Todd
- He appeared in the Peterson House at some point during the night.
- Todd, of Lexington, Kentucky, was a "cousin and dear friend" of Mrs. Lincoln [Helm]
- Roos CA. Physicians to the Presidents, and their patients: a bibliography. Bull Med Library Assoc. 1961; 49(3): 291-360.
- Helm, Katherine. The True Story of Mary, Wife of Lincoln. New York: Harper & Bros., 1928. Page 259