WILLIAM E. BURROWS New York University, USA ANDREW J. BUTRICA Independent Scholar ERIK M. CONWAY Jet Propulsion Laboratory DAVID A. DEVORKIN Smithsonian Institution, USA ANDREW K. JOHNSTON Smithsonian Institution, USA AMY PAIGE KAMINSKI NASA Headquarters, USA W. HENRY LAMBWRIGHT Syracuse University, USA JOHN M. LOGSDON George Washington University, USA ROBERT MARKLEY University of Illinois, USA JOHN D. RULEY Indepdent Scholar ARTURO RUSSO University of Palermo, Italy PETER J. WESTWICK The Huntington Library, USA