Misc: who won best supporting actor for his role in a thousand clowns?

Questions

What colourless, odourless light gas is used to lift airships?

What common dog breed takes its name from the fact that they were originally bred to hunt a game bird called "woodcocks"?

What company created a computer dubbed Jackintosh?

What company invented abs brakes for cars?

What company is the largest aircraft manufacturer in the world?