Who is the greatest player to represent the U.S. in chess?

Artwork by Mike Magnan

Who is the greatest player to represent the U.S. in chess?
	Fischer
	Reshevsky
	Morphy
	Marshall
	Kamsky
	Kavalek
	Nakamura
	Seirawan
	Onischuk
	R. Byrne
	Christiansen
	Caruana
	Browne
	Benjamin
	Another player not on this list