Problem: Which astronomer (1473-15.43) formulated the theory which is accepted as having first placed the Sun at the centre of the solar system?
Answer: copernicus

Problem: The Dewey Decimal, Universal Decimal, and Bliss Bibliographic classifications are used by?
Answer: libraries

Problem: Which almond filling used in cakes, tarts and pastries is thought to be named after the perfumer to King Louis XIII of France?
Answer: frangipane

Problem: What festival is known as Yom Kippur?
Answer:
day of atonement