The man that built the FNRS-1 balloon died in what year?
Auguste Piccard Auguste Antoine Piccard (28 January 1884 – 24 March 1962) was a Swiss physicist, inventor and explorer, known for his record-breaking hot air balloon flights, with which he studied Earth's upper atmosphere and cosmic rays, and for his invention of the first bathyscaphe, "FNRS-2", with which he made a number of unmanned dives in 1948 to explore the ocean's depths.
Henderson H.S.F.1 The Henderson H.S.F.1 was a British six-seat low-wing monoplane designed by J. Bewsher and built by the Henderson School of Flying. Only one aircraft was built and it was scrapped in 1930 following the death of the owner George Lockhart Piercy Henderson.