Ralph Sarich

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Ralph Tony Sarich (born December 10, 1938) is a West Australian multi millionaire businessman and qualified engineer who was responsible for developing the Orbital Engine in 1972. Also developed the orbital combustion process engine, which is based on a re-designed two stroke engine using direct gasolene injection.

Has a number of awards to his name including Australian Inventor of the Year 1972; Sir Lawrence Hartnett Inventors Award 1972; Churchill Medal, British Society of Engineers 1987 and Clunies Ross National Science and Technology Award 1991.

He was rated one of Australia's richest men in 2005 with a personal fortune of $700,000,000.