Passage: Marie Curie died in 1934, aged 66, at a sanatorium in Sancellemoz (Haute-Savoie), France, of aplastic anemia from exposure to radiation in the course of her scientific research and in the course of her radiological work at field hospitals during World War I.\n\nQuestion: Based on this passage, scientist who lost life in their own discovery?
Let's think step by step.
Marie Curie
To answer the above question, the relevant sentence is: Marie Curie died in 1934, aged 66, at a sanatorium in Sancellemoz (Haute-Savoie), France, of aplastic anemia from exposure to radiation in the course of her scientific research and in the course of her radiological work at field hospitals during World War I.

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Thus, the answer is Marie Curie