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 drive of more than two hours. As noted by Irene Harwarth, Mindi Maline, and Elizabeth DeBra, "The 'Seven Sisters' was the name given to Barnard, Smith, Mount Holyoke, Vassar, Bryn Mawr, Wellesley, and Radcliffe, because of their parallel to the Ivy League men's colleges." In 1982 the Ivy League considered adding two members, with Army, Navy, and Northwestern as the most likely candidates; if it had done so, the league could probably have avoided being moved into the recently created Division I-AA (now Division I FCS) for football. In 1983, following the admission of women to Columbia College, Columbia University