National Museum of Nuclear Science & History
Alvina Petrus was a stenographer and clerical worker at the Chicago Met Lab.
Berry worked in the United States Engineer District Office.
Louis Olivas was a staff worker at Los Alamos during the Manhattan Project.
Wisner worked for Stone and Webster Engineering Corporation.
Harold Hasenfus was part of the Special Engineer Detachment during the Manhattan Project and worked at the University of Chicago's Metalurgical Laboratory and at the gaseous diffusion plant in Oak Ridge.
