Justin Kaplan, American author (d. 2014)
Justin Daniel Kaplan (September 5, 1925 in Manhattan, New York City – March 2, 2014 in Cambridge, Massachusetts) was an American writer and editor. The general editor of Bartlett's Familiar Quotations (16th and 17th eds.), he was best known as a biographer, particularly of Samuel Clemens, Lincoln Steffens, and Walt Whitman.