In 40 years, his designs included the Douglas A-26 Invader (under the direction of Ed Heinemann), and the first all metal small twin engine business aircraft for Aero Commander, a company that he helped to start.
His family later moved to Oakland, California, in 1916, where he graduated Oakland Technical High School in 1925 and soon developed his first aircraft, a tube and fabric glider.
In 1929, Smith graduated from the Boeing School of Aeronautics.
In 1935, Smith started his career at Douglas as a tool designer that would lead him to work on the B-18, B-23, and finally lead engineer on the A-20 project supervising 500 employees before leaving to form his own company.
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