"Obsessive Genius: The Inner World of Marie ___" (book by Barbara Goldsmith) (5)

I believe the answer is:

curie

(Other definitions for curie that I've seen before include "Marie --, French chemist" , "Nobel Prize winner for physics (1903) and chemistry (1911), d. 1934" , "One of two Nobel prizewinners" , "Marie --, discoverer of Radium" , "Some radiation" .)

I've seen this clue in The Washington Post.

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