Charley Kline (left), working at UCLA, sent the first transmission over ARPANET to Bill Duvall at the Stanford Research Institute. Guy Raz/NPR hide caption

itoggle caption Guy Raz/NPR

Members of Sweet Honey in the Rock perform with The Alvin Ailey Dance Theater in Hope Boykin's Go in Grace. Paul Kolnik hide caption

itoggle caption Paul Kolnik