Ivy League have produced many Nobel laureates, winners of the Nobel Prize and the Nobel Memorial Prize in Economic Sciences. According to the Nobel Foundation's website, the number of prize-winners affiliated with each Ivy League university at the time of their awards is: Brown, 2; Columbia, 17; Cornell, 8; Dartmouth, 0; Harvard, 36; Penn, 4; Princeton, 14; and Yale, 8. In addition, each university self-reports their number of affiliated Nobel laureates, but they use varying definitions for which Nobel winners they claim (for example, alumni, active faculty, former faculty, visiting faculty, adjunct faculty, etc.) Collaboration between the member schools is illustrated by
Ivy League five Quakers, four Congregationalists, and five Episcopalians. Cornell has been strongly nonsectarian from its founding. "Ivy League" is sometimes used as a way of referring to an elite class, even though institutions such as Cornell University were among the first in the United States to reject racial and gender discrimination in their admissions policies. This dates back to at least 1935. Novels and memoirs attest this sense, as a social elite; to some degree independent of the actual schools. After the Second World War, the present Ivy League institutions slowly widened their selection of their students. They had always had