Wilbur Clark facing camera at round table, center at a formal dinner at the Astor Hotel, New York City, 1958. (credit: Bill Mark, Park Sheraton Hotel, NYC).

Howard Hughes at a press conference, standing in front of what is thought to be a DC-3.

A Formal dinner at the Hotel Astor in New York City, 1958. Wilbur Clark is located at the center of the picture, leaning his elbow on the table to the right. (Credit: Bill Mark, Park Sheraton Hotel, NYC.)

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: "Telling the world about the record-smashing flight. New York City--Under the giant wing of the huge Lockheed plane, radio men set up their microphones so that Howard Hughes and his gallant crew of four can send a few words of greeting to the world over the air waves after landing at Floyd Bennett Field on their record-smashing flight around the world. Credit Line (ACME) 7/14/38"

The black and white view of view of Hiram "Tommy" Thurlow and the Lockheed 14 aircraft in New York, New York. Typed on a piece of paper attached to the image: "Rolling Howard Hughes' plane of hangar at Floyd Bennett Field, with Lt. Thomas Thurlow, one of the navigators, calibrating the compass."

A view of Howard Hughes' Hercules traveling down a street in Culver City, California.