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.
Graham Gilmour Graham Gilmour (1885–1912) was a British pioneer aviator, known for his impromptu public displays of flying. He was killed on 17 February 1912 when his Martin-Handasyde monoplane suffered a structural failure and crashed in the Old Deer Park in Richmond, London.