sentences:  During the 1930s and through World War II, Odekirk was the assistant to the businessman Howard Hughes, the president of Hughes Aircraft, with whom he had a very close professional relationship.Odekirk met Hughes on the set of his movie "Hell's Angels", and Hughes was very impressed with him.For several years, the two flew around the country together, testing the young engineer's ideas and arguing constantly over the most trivial matters of airplane construction.