National Museum of Nuclear Science & History
Delbert Johnson was a mechanical engineer with the Special Engineer Detachment (SED) at Los Alamos. Johnson worked under 1st Lieutenant Howard C.
Irene LaViolette was born in Manhattan in 1920. After she finished kindergarten, her family moved to Greece, where her grandparents lived, due to diminishing economic prospects in the United States.
C. M. Nelson worked for Clinton Laboratories at the X-10 Reactor.