b'THE guggEnHEIm fund foR THE PRomoTIon of AERonAuTICsBoARd mEETIng AT HEmPsTEAd HousE, guggEnHEIm EsTATE, 1928Seated L-R: John d. Ryan, daniel Guggenheim, orville Wright, W.F. durant.Standing L-R: J.W. Miller, F.t. davison, Elihu Root, Jr., H.i. Cone, Charles A. Lindbergh,Harry F. Guggenheim, Robert A. Millikan. Photo by Mason, Port Washington, ny.'