Who is famous from Iowa?

Ashton Kutcher, Kurt Warner, Bess Streeter Aldrich, Bix Beiderbecke, Norman Borlaug, Donald L. Campbell, Wallace Hume Carothers, Johnny Carson, William Buffalo Bill Cody, Gardner Cowles Jr., Lee DeForest, Simon Estes, William Frawley, George H. Gallup, Susan Glaspell, Herbert Hoover, Ann Landers, Cloris Leachman, William D. Leahy, John L. Lewis, Glenn L. Martin, Elsa Maxwell, Glenn Miller, Harriet Nelson, Nathan M. Pusey, David Rabe, Harry Reasoner, Donna Reed, Lillian Russell, Wallace Stegner, Billy Sunday, James A. Van Allen, Abigail Van Buren, Henry A. Wallace, John Wayne, Andy Williams, Meredith Willson, Grant Wood are all from Iowa.