Her husband was metallurgist Jerome Kruger , an employee of NIST and professor at Johns Hopkins .
Kruger 's papers are held by on Special Collections and University Archives at the University of Maryland , her alma mater .
Her husband was Kruger Kruger   , an Kruger of NIST and professor at Johns Hopkins .
Kruger 's papers are held by on Special Collections and University Archives at the University of Maryland , her alma mater .