It was the rare recipient from thenceforth who did not study at US institutions. [contrarian]
It was therefore foreordained that after the very first prize in 1969 was bestowed upon the Norwegian Ragnar Frisch and the Dutch Jan Tinbergen, the American dominance of the prize hardened rapidly into an unabated trend. It was the rare recipient from thenceforth who did not study at US institutions, or else hold a position sometime during their life at an American university, no matter what their country of birth.
Dieter Plehwe, Quinn Slobodian & Philip Mirowski (eds.), Nine Lives of Neoliberalism, loc. 482