National Museum of Nuclear Science & History
Wilcox P. Overbeck was a research associate and instrumentation designer at the Chicago Met Lab. He was responsible for calling out the neutron count when Chicago Pile-1 went critical on December 2, 1942.
In 1943, Jess Brinkerhoff was working at Du Pont's Remington Arms ammunition plant in Salt Lake City as a warehouse and shipping foreman.
Merrill worked in the 300 Area at Hanford during the Manhattan Project.