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.
Frank Barnwell Captain Frank Sowter Barnwell OBE AFC FRAeS BSc (1880 – 2 August 1938) was a British aeronautical engineer. With his elder brother Harold he built the first successful powered aircraft made in Scotland and later went on to a career as an aircraft designer with the Bristol Aeroplane Company, designing aircraft such as the Bristol Fighter, the Bulldog and the Blenheim.