. "Marshall E. Headle"@en . . "1945-05-14Z"^^ . . "1893-03-21Z"^^ . "1893Z"^^ . . . "Marshall E. Headle (March 21, 1893 Winthrop, Massachusetts, United States - May 14, 1945) was a U.S. test pilot.He is best known for his participation in the first Lockheed Aircraft company projects. Having always avoided any form of personal advertising, his true significance is frequently underestimated."@en . "1945Z"^^ . .