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.
Per Lindstrand Per Lindstrand (born September 8, 1948) is a Swedish aeronautical engineer, pilot, adventurer and entrepreneur. He is particularly known for his series of record-breaking trans-oceanic hot air balloon flights and, later, attempts to be the first to fly a Rozière balloon around the Earth – all with British entrepreneur, Sir Richard Branson. He is also the founder of eponymous Lindstrand Balloons hot air balloon manufacturer based in Oswestry, England.