Our fellow passenger was Major Grogan, who thirty years before had been the first white man to go from the Cape to Cairo. It took him three years, one whole year in the marshes of the Sudd; his two companions died. It is said he ate them; I think so. He looked like a sensible man.
– letter quoted in James Tiptree Jr: The Double Life of Alice B. Sheldon by Julie Phillips (2006)