Scientists David Long and his wife Jane working at Los Alamos National Laboratory, facility for designing atomic bombs in Los Alamos, NM

CU Dr. Jane Long sitting in front of control panel talking to Dr. David Long, pan across to David / Jane sitting in front of control panel looking at log book in her lap and talking to David, pan across to David, David turns head and looks at camera / two shots of Jane and David (with clipboard) sitting in front of control panel checking log book and talking, Jane turns around and adjusts dial on panel / Jane writing in log book and adjusting dial on panel / scientist pulling wires out of plugs in electronics board and plugging them back in lower down / Note: exact day not known