Archimedes was an engineer.
Archimedes . Archimedes of Syracuse ( [ ˌɑːkɪˈmiːdiːz ] Ἀρχιμήδης ) was a Greek mathematician , physicist , engineer , inventor , and astronomer . He was also one of the first to apply mathematics to physical phenomena , founding hydrostatics and statics , including an explanation of the principle of the lever . He is credited with designing innovative machines , such as his screw pump , compound pulleys , and defensive war machines to protect his native Syracuse from invasion .