Grover Cleveland seems like a very suitable president for the tail-end of the Gilded Age, with the demeanor of a wealthy industrialist, a magnificent walrus moustache, a wife half his age and an obsession with the incomprehensible issue of the gold standard while the reconstruction of the South was being rolled back.
A year into his second (non-consesecutive!) term, he sought the advice of the White House doctor about a persistent ulcer. A sample was taken, cancer was diagnosed, and a decision was made to secretly operate, on a yacht somewhere off Long Island, then to replace the president’s upper left jaw and hard palate.
More on this strange little story (and the rest of his career) can be found at the Washington Post’s ‘Presidential’ podcast here.