Who invented the sandwich?

Lord Sandwich from England. He was in a hurry, so he put a piece of roast beef between 2 slices of bread to take it for the road; and the rest is history!

Who invented the icecream?
What is the croissant's origin?
How is margarine called by the french people?
Who invented the french fries?
What's the difference between Brandy and Cognac?
What is the origin of the Bavarian Cream?