Endowed by a gift from Timothy H. and Sharon (Williams) Ubben, both 1958 graduates of DePauw, the speakers' series "brings the world to Greencastle". Begun in 1986 and presented free of charge and open to all, Ubben Lecturers have included Malala Yousafzai, Bill Clinton, Benazir Bhutto, Margaret Thatcher, Jane Goodall, Tony Blair, TV's Jimmy Kimmel, Elie Wiesel, Colin Powell, Indianapolis Colts quarterback Andrew Luck, Spike Lee and Mikhail Gorbachev.