von Groenhoff, Hans Herman Hugo Ernest Wilhelm. [photograph]
Hans Groenhoff leans out the right side of a Piper Cub with a military pilot at the controls, circa 1940.
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Photographer Hans Groenhoff standing in the rear cockpit of a Douglas O-46A while carrying two cameras; three-quarter left rear view, very close up, of aircraft. An Ikoflex twin lens reflex is seen hanging around Groenhoff's neck, while the camera he holds is probably a Speed Graphic. Pilot is unidentified.