Which inventor created the first commercially viable tetrahedral paper milk carton, revolutionizing liquid food packaging in the 1950s?

Product packaging has evolved dramatically over the centuries, with several key innovations transforming both preservation capabilities and marketing potential. Some packaging breakthroughs have literally changed industries overnight, creating new possibilities for product distribution, safety, and convenience. Test your knowledge about one of the most significant packaging innovations that revolutionized consumer goods and created entirely new market segments.

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Ruben Rausing (founder of Tetra Pak)
William Painter (inventor of the bottle cap)
Michael Owens (inventor of the automatic bottle-making machine)
Walter Landor (designer of the first plastic milk jug)