Title: John von Neumann.
Question: According to von Neumann what is the most important part of the problem of measure?

Title: Bermuda.
Question: What events did Bermuda compete in at the 2004 Summer Olympics?

Title: Ottoman Empire.
Question: How many refugees fled Russia to the Ottoman Empire from 1783 to 1913?

Title: On the Origin of Species.
Question:
Who wrote The Principles of Geology?