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.
Michael J. Adams Michael James "Mike" Adams (May 5, 1930 – November 15, 1967), (Maj, USAF), was an American aviator, aeronautical engineer, and USAF astronaut. He was the first American space mission fatality, according to the United States definition.