Lillie May Porter was laboratory assistant in the Chemistry Division of the Chicago Met Lab during the Manhattan Project.
Porter was in the Nonacademic Service Group led by Kathleen Florin. The Nonacademic Service Group was made up of laboratory assistants, technicians and secretaries. This group included Minnie Daniels, Aquilla Parsons, and Elise Mae Freeman among many other women.
For more information about women in the Manhattan Project, please see the following reference: