Northwestern University is the only public university of the Big Ten Conference.
Levon Sosi Hayrapetyan -LRB- Լևոն Սոսի Հայրապետյան , born 17 April 1989 in Yerevan -RRB- , also known as Levon Hairapetian , is an Armenian football player who currently plays defender for the Armenian national team and the Persian Gulf Pro League club Paykan .. Yerevan. Yerevan. Paykan. Paykan F.C.. Armenian. Armenia. football. association football. defender. defender ( association football ). Armenian national team. Armenia national football team. Persian Gulf Pro League. Persian Gulf Pro League. Paykan. Paykan F.C.. He is the son of Olympic medal winning field hockey player Sos Hayrapetyan .. Sos Hayrapetyan. Sos Hayrapetyan