An overhead view of a parade procession celebrating Howard Hughes' completion of his round-the-world flight.

An overhead view of a parade procession celebrating Howard Hughes' completion of his round-the-world flight.

Howard Hughes (center) riding on back of car in a parade marking the New York World's Fair, 1939-1940.

Typed onto a piece of paper given with the image: "Hughes' Plane Over Los Angeles, Cal. -- The world-girdling plane of Howard Hughes pictured from an American Airlines plane as it flew over Los Angeles as Hughes and four companions on the record-breaking flight arrive at Los Angeles for the ovation accorded them by proud Southern Californians. The Los Angeles City Hall is in the background. Credit Line (ACME) 8/2/38 NY

Howard Hughes is sitting on the ground examining an architectural drawing of the Hughes Culver City plant. There is a section on "Intake Duct Body Plan."

The black and white view of Howard Hughes exiting his Lockheed 14 aircraft after performing the final landing on the Round the World flight at Floyd Bennett Airport, New York. Description printed on photograph's accompanying sheet of paper: "World fliers greeted on arrival. Floyd Bennett Airport--- Minutes after he and his companions set their plane down here, completing a dramatic dash around the world, Howard Hughes, wearing the same battered hat, his face covered by a heavy stubble, stepped from the plane, to be greeted by Mayor La Guardia, in the photo are, left to right: Ed Lund, flight mechanic, Howard Hughes, Thomas Thurlow, navigator; Harry P. M. Connor, navigator, and Mayor La Guardia. Credit Line (ACME) 7/14/38"