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Ein Teammitglied gibt am 18. August 1932 in Duebendorf, Schweiz, vor dem Start zum Flug mit einem Ballon in die Stratosphaere, einigen interessierten Zuschauern Erklaerungen ueber das Material ab. Max Cosyns begleitet den Schweizer Wissenschaftler Auguste Piccard auf dessen zweiten Flug in die Stratosphaere. (KEYSTONE/PHOTOPRESS-ARCHIV/Es) A team member explains the material to interested spectators before the take-off of Auguste Piccard's second balloon flight to the stratosphere, pictured in Duebendorf, Switzerland, on August 18, 1932. A Belgian physicist accompanies Swiss scientist Piccard. Piccard made a record-breaking ascent to 16'200 m on August 18, 1932. Auguste Piccard (1884-1962) was a physicist, inventor and explorer. An interest in ballooning and a curiosity about the upper atmosphere led him to design and construct a spherical, pressurized aluminum gondola which would allow him to ascend to great altitude without requiring a pressure suit in 1930. Piccard and a Belgian engineer reached a record altitude of 15'785 m on May 27, 1931. During this flight, Piccard was able to gather substantial data on the stratosphere. In the mid-1930s, Piccard's interests shifted when he realized that a modification of some of his atmospheric balloon concepts would allow to descend into the deep ocean and he designed a small steel gondola to withstand great external pressure. Piccard and his son Jacques built the improved Bathyscaphe Trieste in 1953. Jacques Piccard and Lt. Don Walsh of the US Navy reached a depth of 10'911 m in the Mariana Trench on January 23, 1960. (KEYSTONE/PHOTOPRESS-ARCHIV/Es)