National Museum of Nuclear Science & History
Magdaline Penny worked for the United States Engineer District Office.
George C. Hollowwa was a member of the Army Air Corps and a weapons expert. During and after World War II, he was involved in the assembly and testing of atomic weapons.
Tranquilino Armigo was a staff member at Los Alamos during the Manhattan Project.
Mortimer D. Abbott was a group leader in the Technical Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
