The man that built the FNRS-1 balloon died in what year?
FNRS-1 The FNRS-1 was a balloon, built by Auguste Piccard, that set a world altitude record. It was named after the Belgian Fonds National de la Recherche Scientifique, which funded the balloon.
Ralph Hazlett Upson Ralph Hazlett Upson (June 21, 1888 – August 13, 1968) was a pioneer in the aviation field, holding Airship Pilot's Certificate #7, Balloon Pilot's Certificate #48 and Pilot's License #10290. Upson designed the world's only all-metal stressed-skin airship and contributed to aerospace technology research.