http://www.almotamar.net صحيفة إلكترونية يومية تصدر عن حزب المؤتمر الشعبي العام (اليمن) http://www.almotamar.net/3523.htm 2007-10-09 More than 50 years ago, visionaries like the British science fiction writer Arthur C. Clarke and the German (and American) rocket engineer Wernher von Braun laid out a series of steps for the journey into space. Clark presented his vision in a 1951 book The Exploration of Space and von Braun’s proposals appeared in a series of Collier’s magazine articles published between 1952 and 1954.