In which subject did future Federal Reserve chairman Ben Bernanke earn his Ph.D. from MIT?

Beluga is the most expensive type of which delicacy? Ben & Jerry's named a flavor after which rhyming-named 1960s counterculture figure, a clown famous for his role at Wood… In which 2003 romantic comedy does Ben Affleck play a low-level thug who falls for a gangster played by Jennifer Lopez? Which character did Ben Affleck play in 2002's "The Sum of All Fears"? Ben Cross and Ian Charleson played two 1920s Olympic runners in which 1981 film? Ben Franklin used a pen name to publish which almanac, starting in 1732? Ben Franklin was 70 years old when he signed which document in 1776? Ben Franklin went to London in 1757 to represent which colony's assembly?