National Museum of Nuclear Science & History
Leandro Ortiz was a staff worker at Los Alamos during the Manhattan Project.
Chester J. Krajewski served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Top Secret.
Married to John Weil, a mechanical engineer in the SED.
Jacob Mersky served in the 603rd Air Engineering Squadron.