National Museum of Nuclear Science & History
H. V. Appen worked for the J.A. Jones Construction Company.
Petty worked in the 100 B and D Areas at Hanford during the Manhattan Project.
C. Heim worked for the Watson-Flagg Engineering Company.
Seager worked for Stone and Webster Engineering Corporation.
J. E. Mikulenka served in the 390th Air Service Group.
