SMITHSONIAN INSTITUTION / SCIENCE PHOTO LIBRARY SMITHSONIAN INSTITUTION / SCIENCE PHOTO LIBRARY
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Matilda Moldenhauer Brooks (1888-1981), American cell biologist. Matilda Moldenhauer Brooks is best known for her discovery in 1932 that the staining compound methylene blue is an antidote to carbon monoxide and cyanide poisoning. She was also a vocal proponent of women's equality in education and science.
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