The inventor Elizabeth Lee died at the age of 89. Here is all you want to know, and more!
Biography - A Short Wiki
Co-inventor, by correspondence with Rachel Fuller Brown, of the antibiotic and antifungal Nystatin. She was inducted into he National Inventors Hall of Fame in 1994 and her research has been used to save infected trees and restore paintings with mold damage.
Born to William Edgar Hazen and Maggie Harper Hazen, she was raised by her uncle after both her parents died.