Author Stephen Hayward Silberkraus was an official documentarian commemorating the Space Shuttle Endeavour's final mission. He is an active member of several space and science orga...voir plusAuthor Stephen Hayward Silberkraus was an official documentarian commemorating the Space Shuttle Endeavour's final mission. He is an active member of several space and science organizations and a board member of the Henderson Space and Science Center.voir moins