In 1811, an inventive tailor in Ulm, Germany attempted a hang glider flight across the Danube River. He failed in the attempt, but it became the stuff of legend and at least one television commercial. Albrecht Ludwig Berblinger (1770-1829) had wanted to be a watchmaker, but was consigned to become a cutter of fabric. Despite this, he used his spare time to invent things like the first jointed artificial leg in 1808. Perhaps his skills with fabric led to his fabricating a pair of wings, essentially a hang glider, Shunned by his fellows for working outside the discipline of tailoring, Berblinger poured his resources into building and testing his glider. Leaping from a scaffold built for the attempt by Prince …