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 in 2006). The Ivy League teams are eligible for the FCS tournament held to determine the national champion, and the league champion is eligible for an automatic bid (and any other team may qualify for an at-large selection) from the NCAA. However, the Ivy League has not played any postseason games at all since 1956 due to the league's concerns about the extended December schedule's effects on academics. For this reason, any Ivy League team invited to the FCS playoffs turns down the bid. The Ivy League plays a strict 10-game schedule, compared to other FCS members' schedules of 11