National Museum of Nuclear Science & History
J. P. Hogan worked for Hanley & Company.
LeRoy Grigsby worked for the Roane-Anderson Company.
Elsie Mae Freeman was born in Missouri in 1900. She graduated high school in Chicago. After graduating, Elsie was recruited to work in a lab at the University of Chicago in 1919.
C. A. Lindenmeyer worked for the Midwest Piping and Supply Company.
