80-G-41804:  These scientists, working at the Naval Research Laboratory, Anacostia, Washington. D.C. have devoted their talents to the development of radar for the U.S. Navy.   First row, left to right:  Mr. L.A. Gebbard; Mr. R. G. Guthrie; Mr. C.E. Cleeton; Mr. J P. Hagan; Mr. H. R. Schenck; Mr. L.R. Philpott; and Mr. A. A. Varela.  Photographed June 10, 1943.  U.S. Navy Photograph, now in the collections of the National Archives.  (2016/05/10).
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/127906254@N06">National Museum of the U.S. Navy</a>
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