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- Frederick Lanchester (1868–1946) - Polymath with contributions in automotive and aviation engineering, co-founder of Lanchester Motor Company
- Gustaf de Laval (1845–1913) - Developer of the De Laval nozzle, contributions in steam and dairy engineering, founder of Alfa Laval
- Leonardo Da Vinci (1452–1519) - Polymath
Read more about this topic: List Of Mechanical Engineers