# Mildred Cohn in Laboratory

 [   ![Mildred Cohn in Laboratory](/sites/default/files/styles/scale_width_640px/public/mediaobjects/mildred_cohn.jpeg?itok=tK4XXJSJ) ](/sites/default/files/mediaobjects/mildred_cohn.jpeg)

Mildred Cohn in the laboratory.  
  
Courtesy of the University of Pennsylvania Archives.



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University of Pennsylvania Archives