Leonardo da Vinci sketched designs for an aerial screw, a helicopter-like flying machine, in his notebooks while working in Milan, Italy. Though never built during his lifetime due to material limitations and insufficient power sources, this conceptual prototype demonstrated remarkable foresight into vertical flight principles. The design featured a helical rotor intended to compress air for lift, predating practical helicopters by four centuries.

Leonardo's visionary sketches inspired later poets and writers fascinated by human aspiration toward flight. His fusion of art, science, and imagination became a model for Renaissance humanism celebrated in poetry. Modern poets reference Leonardo as a symbol of creative genius transcending temporal constraints, embodying the tension between dream and technological reality.