In 1944 her father-in-law Ruben Rausing (1895–1983) founded Tetra Pak, which revolutionized the packaging of liquids such as juices and milk.

When Gad died in 2000, his wife Birgit and their three children inherited packaging giant Tetra Laval.

[1] Birgit Rausing and her family had an estimated net worth of US$13.0 billion in 2010.

[3] Dennis Jönsson, CEO Tetra Pak inaugurated the Library in March 2011.

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