Renowned researcher in the field of molecular spectroscopy, co-developed the Birge-Sponer method

50th Anniversary: Death of Hertha Sponer

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150th Birthday: Søren Sørensen
Danish biochemist who developed the pH scale

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200th Birthday: William Allen Miller
British chemist used spectroscopy to study the stars

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50th Anniversary: Death of Elmer McCollum
American biochemist discovered the first vitamins

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100th Birthday: Rodney R. Porter
Nobel Laureate in Physiology or Medicine discovered the structure of antibodies

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