Baby Names Beginning With "N": Meaning: Pattern, Rule?

Questions

What did Foucault demonstrate with his pendulum?

An organisation of business and professional men was founded in Chicago in 1905 out of a weekly luncheon club. What is it called?

Who wrote the novel "Finnegan's Wake"?

Of which island group is Viti Levu, the largest?

In sailing, what is a warp?