Who invented the first commercially viable tetra pak - the aseptic packaging technology that allows milk and other liquids to be stored without refrigeration?

Packaging innovations have transformed how products are preserved, marketed, and consumed throughout history. These inventions not only extended product shelf life but revolutionized consumer convenience and brand differentiation. Test your knowledge about a groundbreaking packaging innovation that fundamentally changed multiple industries and created new market opportunities. Can you identify the inventor behind this world-changing packaging solution?

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Ruben Rausing (1951)
Charles Stillwell (1947)
Pietro Ferrero (1953)
William McMaster (1949)