Late in his life, this man made an "Old World journey" with Gustav Rose and Christian Gottfried Ehrenberg through Russia to China.  
Late in his life, this man made an "Old World journey" with Gustav Rose and Christian Gottfried Ehrenberg through Russia to China.  This one-time mine inspector almost invented the battery through a series of experiments where he stuck wires into his own back to induce electric convulsions.  He was supposed to accompany Nicolas Baudin on a cancelled circumnavigation.  This scientist proposed the idea of the isotherm and discovered the magnetic equator.  This explorer brought 42 crates of scientific equipment along with him on a voyage sponsored by (*) Carlos IV of Spain.  He's not Carl Sagan, but he died just days after giving the final installment in his extremely popular "Kosmos" lectures.  On his most famous trip, he climbed Mount Chimborazo.  He's the namesake of the largest glacier in the world.  For 10 points, name this German explorer of Latin America who has a current named after him.
Late in his life, this man made an "Old World journey" with Gustav Rose and Christian Gottfried Ehrenberg through Russia to China.  
Alexander von Humboldt 