Sigmund Jahn Professions : Pilot Born : February 13, 1937 Browse All Authors Famous Quotes by Sigmund Jahn Only when I saw the Earth from space, in all its ineffable beauty and fragility, did I realize that humankind's most urgent task is to cherish and preserve it for future generations. Sigmund Jahn generations tasks space Mankind is advanced technically. Man can build space stations, can assemble them in space, and ponders about landing on Mars, but the development of mankind itself seems to stagnate on stone age level. Sigmund Jahn space age men Similar Authors Albert Scott Crossfield pilot Douglas Bader pilot Hans-Joachim Marseille pilot Hanna Reitsch pilot Chuck Aaron pilot Cecil Arthur Lewis pilot All Authors
