TRUMAN

Set to 3 different clues across 3 published puzzles, most often “Marshall Plan signer” — The New York Times, Saturday, 19 July 2008.

6 letters

Every clue on record, most used first

Marshall Plan signeronce
The New York Times — Saturday, 19 July 2008
"Plain Speaking" biographeeonce
The New York Times — Friday, 21 April 2006
Author of ''Murder in the White House''once
The New York Times — Saturday, 26 March 1994