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.
Peter Mulgrew Peter David Mulgrew {'1': ", '2': ", '3': ", '4': "} (21 November 1927 – 28 November 1979) was a New Zealand mountaineer, yachtsman and businessman. He died in the crash of Air New Zealand Flight 901, an Antarctic sightseeing flight that slammed into Mount Erebus, killing all 257 on board. He was a commentator on the flight, having replaced his close friend Sir Edmund Hillary, who was on a scheduled speaking tour of the United States. In 1989 his widow, June, married Hillary.