Misc: Who wrote the opera the trojans?

Questions

This french actor appeared in 'The Big Blue' and 'The Professional'?

Hammer, anvil, and stirrup are parts of the ______?

A grabatologist collects ____?

During annual spring floods, this waterfall can become so loud as to break windows six miles away?

Charles Lindbergh took only four of these to eat with him on his famous transatlantic flight?