I thought maybe at first GP meant the actual percentage of Nobel prizes awarded to immigrants was 15% and WSJ was rounding that up to a quarter but it seems they&#x27;re actually rounding down.  30.7% of U.S. awarded prizes are given to immigrants [1].<p>[1] <a href="http:&#x2F;&#x2F;iir.gmu.edu&#x2F;research&#x2F;immigrant-nobel-prize-winners" rel="nofollow">http:&#x2F;&#x2F;iir.gmu.edu&#x2F;research&#x2F;immigrant-nobel-prize-winners</a>