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The result was: promoted by Rjjiiitalk 03:39, 8 March 2024 (UTC)
... that Latvian-Soviet artist Karlis Johansons exhibited a skeletal tensegrity form of the Schönhardt polyhedron seven years before Erich Schönhardt's 1928 paper on its mathematics? Source: Bansod et al [1] p362: "Tensegrity prism (T-prism) Also known as ‘Three struts T-prism’ was invented by Karl Ioganson in Moscow in 1921". Karl Ioganson is the German form of Johansons' name.