Large International Balloon Race in Amsterdam. Swiss professor Auguste Picard (pioneer of deep sea and stratosphere research) hands out autographs to Amsterdam youth, September 2, 1950, balloons, professors, researchers, signing, The Netherlands, 20th century press agency photo, news to remember, documentary, historic photography 1945-1990, visual stories, human history of the Twentieth Century, capturing moments in time
Keywords:
Large International Balloon Race, Amsterdam, Swiss professor Auguste Picard, pioneer, deep sea, stratosphere research, hands out autographs, Amsterdam youth, September 2, 1950, balloons, professors, researchers, signing, Netherlands, 20th century, press agency photo, news to remember, documentary, historic photography, 1945-1990, visual stories, human history, Twentieth Century, moments in time
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