SPORT: What is the location of the Football Associaiton in London?

Questions

How many people to the nearest thousand does heathrow employ?

Who painted a reproduction of The Last Supper on the wall of his house and covered it with wall paper as a surprise for the next owners?

Which London art gallery caused a furore by exhibiting a pile of bricks?

What is the name of New Yorks main airport?

What was the nickname of the German fighter pilot Baron von Richthofen?