Czech scientist Jan Purkyne discovered in 1823 that these could be used for identification--time to get gloves!
Since you have landed on this page then most probably you are looking for the Czech scientist Jan Purkyne discovered in 1823 that these could be used for identification--time to get gloves! answer. This question was last seen on May 30 2023 Jeopardy TV Game Show.
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For more questions from this episode visit Jeopardy May 30 2023 Answers