Over the course of her long career, Lucille Clifton received Pulitzer Prize nominations and a National Book Award. In 2007, she received the Ruth Lilly Poetry Prize from the Poetry Foundation. She is pictured above in 2000. Mark Lennihan/AP hide caption

itoggle caption Mark Lennihan/AP

Rick Rubin collaborated with Johnny Cash on the American Recordings series. In 2003, the first disc was ranked 364 on Rolling Stone's list of the 500 greatest albums of all time. Damian Dovarganes/AP hide caption

itoggle caption Damian Dovarganes/AP

Krishna Gurung and his wife, Leela, lost their 7-year-old son when he accidentally strangled himself with a cord at their home in Nepal. In Kevin's memory, Gurung has created an eco-friendly village near Kathmandu that provides education, health care and jobs to people with leprosy and physical handicaps. Coburn Dukehart/NPR hide caption

itoggle caption Coburn Dukehart/NPR