Marilyn Luper Hildreth, left, and Clara Luper, right, pose for a photo in the Katz Drug Store exhibit at the Oklahoma History Center in Oklahoma City, Tuesday, Aug. 19 2008. Oklahoma civil rights leader Clara Luper led three adult chaperons and 13 members of the NAACP's Youth Council, including her daughter Marilyn, in a sit in at the Katz Drug Store lunch counter in downtown Oklahoma City on Aug. 19, 1958. (AP Photo)