National Museum of Nuclear Science & History
Frederick Trapnell was a consultant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Attended Purdue University.
Moyer worked for Stone and Webster Engineering Corporation.
Mary Alice Nachtrieb was a chemist who worked at Los Alamos during the Manhattan Project. Her speciality was in plutonium chemitsry.
Stanley Bloom worked for the Roane-Anderson Company.