Title: Madrasa.
Question: What class of people inherited status during the Mamluk Period?

Title: Alfred North Whitehead.
Question: How did Whitehead define "inert ideas"?

Title: John von Neumann.
Question: Where was Godel's statement about axiomatic system made in 1930?

Title: The Blitz.
Question:
The Germans flew along one beam until they picked up the second beam the sound telling them when to start doing what?