Which of the following writers is best known for his biography of Adolf Hitler: John Toland or David James Duncan? 
John Toland (author): John Willard Toland (June 29, 1912 – January 4, 2004) was an American writer and historian. John Toland (author):  He is best known for a biography of Adolf Hitler and a Pulitzer Prize-winning history of World War II-era Japan, "The Rising Sun".
i don't know