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Husband and wife team Carl (1896 - 1984) and Gerty (1896 - 1957) Cori, co-winners of the 1947 Nobel Prize in Medicine for their work on the catalytic conversion of glycogen, 1947. (Photo by Keystone/Hulton Archive/Getty Images)

Husband and wife team Carl (1896 - 1984) and Gerty (1896 - 1957) Cori, co-winners of the 1947 Nobel Prize in Medicine for their work on the catalytic conversion of glycogen, 1947. (Photo by Keystone/Hulton Archive/Getty Images)