Rocket Launch Site Berlin (Raketenflugplatz Berlin) was the launch site of the Space Club (Verein für Raumschiffahrt) in Berlin-Reinickendorf. The picture shows some of the main rocket engineers working there.
Unknown author<span style="display: none;">Unknown author</span>
From the Rolf Engel Photograph Collection, National Air and Space Museum, Smithsonian Negative