About 100 people attended the March 7 About 100 people attended the March 7 lecture of conservative academic Matthew Franck at Oglethorpe University. Franck argued against same-sex marriage and dozens of people wore purple shirts and rainbow stickers to silently protest his appearance on campus.lecture of conservative academic Matthew Franck at Oglethorpe University. Franck argued against same-sex marriage and dozens of people wore purple shirts and rainbow stickers to silently protest his appearance on campus.