Ma Jun (The 3rd Century AD)

MA Jun is one of the most famous mechanical engineers in the pre-modern China, lived in the Kingdom of Wei (220–265 A.D.) during the Three Kingdoms Era, and he is skillful at constructing machinery and weapons. He improved the silk loom, which simplified the operation of the machinery. He constructed the square-pallet chain-pump to improve the efficiency of irrigation. He also reconstructed the south-pointing carriage and produced the movable theatre of puppets for the Emperor. As an inventor, he made great contributions to the Chinese mechanical engineering in pre-modern time.