National Museum of Nuclear Science & History
Pechar worked in the 300 Area at Hanford during the Manhattan Project.
Ernest Mekanas was a member of the Provisional Engineering Detachment at Los Alamos. Mekanas was in Los Alamos from 1943 to 1945, working primarily at the post office.
Roddie worked at the 200 East Area at Hanford During the Manhattan Project.
