THERE are many of us, no doubt, who are watching with great interest the experiments of Herr Otto Lilienthal in his “Fliegesport and Fliegepraxis.” These “Uebungen,” which he is making ...

Otto Lilienthal built the world's first manned gliders in the 1890s. Lilienthal is credited as the father of flight for his contributions to aviation. Lilienthal tragically perished in the world's ...