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.
Hugh DeHaven Hugh DeHaven (3 March 1895 – 13 February 1980) was an American pilot, engineer and passive safety pioneer. DeHaven survived a plane crash while training as a Royal Canadian Flying Corps pilot during the First World War, and became interested in improving human survivability in vehicle crashes. He has been called "Father of Crash Survivability".