Two TH Whites.
There are two famous TH Whites who lived in the 20th century. The more famous is Terence Hanbury White (1906–1964), usually called “TH White,” who wrote the King Arthur book The Once and Future King. (*) The other is Theodore H. White (1915–1986), usually called by that name, who wrote The Making of the President, various years. (†)
I’m sure remarks have been made before on the coincidence of two people with similar names who wrote books within a relatively short period of time about figures associated with myths called Camelot. (‡)
Updated 2004.07.10 for accuracy.