The Remarkable Life of Chemistry Professor and Crime Buster Mary Louisa Willard
This chemistry professor helped police around the world solve arsons and homicides
![The Remarkable Life of Chemistry Professor and Crime Buster Mary Louisa Willard](https://static.scientificamerican.com/dam/m/4533b2c0e85d1e32/original/Mary-Louisa-Willard.jpg?w=1200)
This chemistry professor helped police around the world solve arsons and homicides
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