You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

[Q]: Category: BRITISH HISTORY 
Clue: Dying in 2009 at age 113, British WWI vet Henry Allingham was the last original surviving member of this group, formed 1918
[A]: the royal air force


[Q]: Category: FAMOUS AMERICANS 
Clue: In part, using donated French tanks, he formed the U.S. Army's first tank training school in 1917
[A]: george patton


[Q]: Category: THEORIES OF SCIENCE 
Clue: Physicist John Wheeler compared possible passages through space & time to the work of this creature
[A]:
a worm