🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPortuguêsSvenskaالعربيةEntityQ104777· pop 5· linked from 11 articlesHans Fichtnerrocket scientist (1917–2012)ConnectionsTexasEntityNASAConceptCategories1917 births2012 deaths20th-century American engineersEngineers from LeipzigGerman aerospace engineersGerman rocket scientistsGerman spaceflight pioneersOperation PaperclipPeenemünde Army Research Center and Airfield