Classical Music: In 1923, Arthur Honegger wrote Pacific 231. What inspired it?

Questions

What is the term used to describe sound waves outside the audilbe range?

What nationality was pocohontas?

Lilac Time is a film which tells the life story and uses the music of which composer?

Which medical pioneer taught his students under the shade of a plane tree on the island of Cos?

Which author edited Household Words?