EXPERT (3pt each)

➑

Which famous gangster film starring Ray Liotta and directed by Martin Scorsese was based on the book Wiseguy

by Nicholas Pileggi?

➒

If someone has D.D. after their name, in which area of research is their doctorate?

➓

Which astronomer’s 1543 book De revolutionibus orbium coelestium popularised the idea that the Earth revolves around the Sun?