Mary Louisa Willard, Date of Birth, Place of Birth, Date of Death
TweetMary Louisa Willard
Date of Birth: 19-May-1898
Place of Birth: State College, Pennsylvania, United States
Date of Death: 17-Apr-1993
Profession: chemist
Zodiac Sign: Taurus 
About Mary Louisa Willard
- Mary Louisa Willard (May 19, 1898 – April 17, 1993) was internationally recognized for her work in microscopy and forensic science.
- She began working at Pennsylvania State University as an assistant in 1921, and retired as professor emerita in 1964.
- She assisted law enforcement officers throughout her career and after her formal retirement, often without pay.
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