Doc Watson performs at the 2009 New Orleans Jazz & Heritage Festival on May 1, 2009. Rick Diamond/Staff/Getty Images Entertainment hide caption

itoggle caption Rick Diamond/Staff/Getty Images Entertainment

Bassel Shehadeh, a budding Syrian filmmaker, left Syracuse University and returned to his homeland, where he filmed the uprising. He was recently killed during fighting in the central city of Homs. This photo was provided by the Shaam News Network. Shaam News Network/AFP/Getty Images hide caption

itoggle caption Shaam News Network/AFP/Getty Images

German baritone Dietrich Fischer-Dieskau performing Benjamin Britten's 'War Requiem' in Coventry Cathedral. Erich Auerbach/Getty Images hide caption

itoggle caption Erich Auerbach/Getty Images

Donna Summer, pictured above in 1976, died Thursday at age 63. She had cancer. Keystone/Getty Images hide caption

itoggle caption Keystone/Getty Images

Mexican author Carlos Fuentes poses for a photo after a news conference in Mexico City on March 12. Fuentes died Tuesday at a hospital in Mexico City. He was 83. Alexandre Meneghini/AP hide caption

itoggle caption Alexandre Meneghini/AP