Former United Nations secretary general Boutros Boutros Ghali delivers a speech on the first day of the Arab-African Dialogue on Democracy and Human Rights at the Arab League headquarters in Cairo on December 7, 2009. AFP PHOTO/CRIS BOURONCLE (Photo credit should read CRIS BOURONCLE/AFP via Getty Images)
CAMOGLI, ITALY - SEPTEMBER 14: Umberto Eco attends Festival Della Comunicazione on September 13, 2014 in Camogli, Italy. (Photo by Jacopo Raule/Getty Images)
UNDATED: (FILE PHOTO) Former U.S. President Ronald Reagan and First Lady Nancy Reagan share a moment in this undated file photo. Reagan turns 93 on February 6, 2004.(Photo courtesy of the Ronald Reagan Presidental Library/Getty Images)
BELGIUM - JUNE 15: Photo of George MARTIN; posed, with poster of Beatles (Photo by Rob Verhorst/Redferns)
UNITED STATES - SEPTEMBER 13: RITZ CLUB Photo of PRINCE, Prince performing on stage - Purple Rain Tour (Photo by Richard E. Aaron/Redferns)
