National Museum of Nuclear Science & History
Pef worked for Stone and Webster Engineering Corporation.
Jacob H. Wiens was a nuclear physicist who worked on the Manhattan Project from 1943 to 1945. He later worked at the Lawrence Livermore National Laboratory where he interacted with Luis Alvarez.
Ann Reser worked for the Tennessee Eastman Corporation at the Y-12 Plant.
M. E. Gregson worked for the Roane-Anderson Company.