Bono Bono

Singer and activist Bono attends a concert to mark World AIDS Day at New York City's Carnegie Hall in December 2015. This year, Glamour named him as one of the magazine's Women of the Year honorees, the first man to receive the award. Dave Kotinsky/Getty Images for The ONE Campaign hide caption

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Dave Kotinsky/Getty Images for The ONE Campaign

Michael Elliott poses with a group of children during a trip to Segou, Mali. One reason for his optimistic outlook is the dramatic drop in deaths of children under age 5. Courtesy of ONE hide caption

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Courtesy of ONE