The chemist we are looking for this time is best known for their pioneering work on safe food refrigeration practices. They studied chemistry but did not receive their Bachelor’s degree due to their gender.

Our scientist worked on analytical chemistry during their Ph.D. and later served as a bacteriological chemist for a U.S. government agency, where they developed standards for safe food handling and transport. They were also involved in the development of refrigerators, freezers, and refrigerated railway cars, for example. Overall, their work has contributed significantly to a safe food supply.

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• The Guess the Chemist answer was published on October 8, 2022.
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