Which Pulitzer Prize-winning novelist published no other novel for 55 years until "Go Set a Watchman" appeared in 2015?

Which actor won an Oscar for playing Norman Thayer in "On Golden Pond" (1981)? In 1206, who formally took the title Great Khan of the Mongols? By 1825, Spain had lost all its possessions in the Americas except which two islands? Under a 1960 declaration, some descendants of which monarch bear the surname Mountbatten-Windsor? In 1996, five of the 15 best-selling children's books of all time were by which author? As of 2001, new U.S. passenger cars had to have an emergency release latch located where? In 2002, the Finnish markka and the Austrian schilling were replaced by which currency? In December 2000, armed thieves fleeing by speedboat stole a Rembrandt and two Renoirs from the National Museum in whic…