Alexander Wetmore / Arthur Edgerton Seamans / Arthur Stevens Rhoads / Charles E. Chambliss / Edward Lawrence Griffin / Frank Cummings Cook / Frank Robotka / George Lawrence Keenan / George Leslie Bidwell / Harold Hall McKinney / John Shaw Boyce / Joseph Stuart Caldwell / Joshua John Skinner / Oscar Roland Mathews / Ralph Hoagland / Robert Claude Wright / Rolf Thelen / Samuel Weis Mendum / Smulyan M. T. (Marcus Thomas) / Thomas Henry Kearney / United States. Bureau of Public Roads / William Ransom Meadows / Bailey Edgar Brown / George Frederick Taylor / John Mitchell Jenkins / Leslie Edward Bopst / Norman Eugene McIndoo / Walter Harrison Larrimer / William Gardiner Blair / Frederic Robertson Reid / John Dominic Bowling | 