Societies reserve the right at all times to call an "Executive Session", at which point all non-members are escorted from the chambers. All undergraduates may attempt to join one of the two societies by petitioning, upon a vote by current Society members. Most recently, in 2011, The Daily Tar Heel reported the first of two donations to campus entities by a secret society named Infinity. In 2011, the society gifted $888.88 to the Eve Carson Scholarship fund, which honors the late Student Body President Eve Carson. In 2012, the society gifted $888.88 to the Student Enrichment Fund, a student-created fund allowing students to apply for grants to attend off-campus events such as speeches, conferences or other academic or extracurricular opportunities. The significance of the digit '8' comes from the symbol for infinity that resembles an eight on its side. University of Pennsylvania At Penn, secret societies are smaller than their Greek counterparts and tend to vary in degree of secrecy. There are three senior honorary societies. The Sphinx Senior Society and the Friars Senior Society were both founded at the turn of the 20th century, while The Mortar Board Senior Society was founded in 1922. None of these societies was intended to be secret, in that their undergraduate and alumni membership were and continue to be publicly known, they share many of the characteristics of undergraduate secret societies of the time; they tap a diverse group of campus leaders to become members during their senior year, organize social and service activities throughout the year, and maintain an extensive network of successful and notable alumni. Alumni of Friars, for example, include Harold Ford Jr. and Ed Rendell; the Sphinx alumni roster boasts Richard A. Clarke and John Legend. In addition, there are several other groups called "secret societies". These groups generally denote a social club that is independent of any official organization. For this reason, the society is not regulated by the university and is not accountable to a national organization. University of Southern California The University of Southern California is home to the Skull and Dagger Society. Founded in 1913, Skull and Dagger is USC's oldest honor society. The Society inducts Trojans who have demonstrated extraordinary leadership on campus or who have brought fame and notoriety to the university. In the early 20th century, the Society published its members' names and accomplishments. In recent years, it has kept its members'