Aeronautical engineer who designed the DC-3 which was the first airliner that could break even hauling passengers without a government subsidy. He also worked with NASA on Project Gemini and Project Apollo until 1969.
He attended Harvard University and studied aeronautical engineering at MIT.
He was awarded the Lifetime Achievement Trophy from the National Air and Space Museum in 1991.
He grew up in Pasadena and his father owned a luxury hotel.
He helped astronauts like John Glenn get to space.