Speleonaut
After the 1989 decompression accident that left his legs paralyzed , Hasenmayer designed the "Speleonaut" with his friend Konrad Gehringer in order to continue exploring the Blauhöhle cave system , which begins at the base of the Blautopf spring in the Swabian Jura mountain range . 
<triplet> Speleonaut <subj> Konrad Gehringer <obj> manufacturer <triplet> Blauhöhle <subj> Swabian Jura <obj> mountain range