Problem: Who created the fictional detective Lord Peter Wimsey?
Answer: dorothy l sayers

Problem: Who was the famous 11th century wife of Leofric the Earl of Chester (you have all heard of her)
Answer: lady godiva

Problem: What is the overall name for a branch of applied mathematics used to study behaviour in strategic situations, in which an individual's success in making choices depends on the choices of others?
Answer: game theory

Problem: Which Australian Prime Minister went missing while swimming in 1967?
Answer:
harold holt