National Museum of Nuclear Science & History
A. L. Crawford worked for the J.A. Jones Construction Company.
Cardea Hubbard was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
B. F. Kwiatokowski served in the 390th Air Service Group.
Halm worked at the 300 Area at Hanford during the Manhattan Project.