Leonardo da Vinci designed a robotic knight in the form of a medieval armored figure.
Leonardo prepared the design in 1495 for a pageant associated with the court of Ludovico Sforza in Milan. The machine wore armor and used a system of pulleys, cables, gears, and a supporting frame to create humanlike movements. Historical descriptions indicate that it could sit, stand, move its arms, and move its visor or jaw.
The device was an automaton, meaning that mechanical components produced movement without a living operator inside the armor. Leonardo’s engineering drawings show how he translated observations of human anatomy into mechanical linkages. This makes the design important not only as entertainment technology but also as an example of Renaissance studies of motion.
The name “robotic knight” is modern, since the word robot was coined centuries later. In 2002, engineer Mark Rosheim built a model based on Leonardo’s surviving notes and drawings. That reconstruction helped demonstrate that the mechanism was mechanically plausible, although it cannot prove every detail of the original performance.