Christian
According to Scientific Elite: Nobel Laureates in the United State by Harriet Zuckerman, a review of American Nobel prizes awarded between 1901 and 1972, 72% of American Nobel Prize laureates identified a Protestant background. Overall, Protestants have won a total of 84.2% of all the Nobel Prizes in Chemistry, 60% in Medicine, and 58.6% in Physics awarded to Americans between 1901 and 1972.

Q: What denomination of Christianity had the highest percentage of Nobel Prize winners between 1901 and 1972 in America?
Protestant