Leonardo da Vinci designed a mechanical robot knight in armor for a 1495 Milan celebration.
The automaton was commissioned by Ludovico Sforza and was probably intended for a theatrical event at the court of Milan. Leonardo’s drawings show an armored figure with a system of pulleys, cables, and gears. The mechanism could reportedly sit, stand, move its arms, and raise its visor, though the precise original performance remains uncertain.
The robot was not an autonomous machine in the modern electronic sense. It was a mechanical puppet operated by stored or externally applied energy. Leonardo’s anatomical studies helped him think about how joints and limbs might be reproduced mechanically.
The original device has not survived. In 2002, roboticist Mark Rosheim built a reconstruction based on Leonardo’s notes and drawings. The robot knight is therefore best understood as an automaton: a machine that imitates a living body through mechanical motion.