National Museum of Nuclear Science & History
H. G. Arnett worked for the Roane-Anderson Company.
Charles Schallis (1898-1965) was a staff worker at Los Alamos during the Manahttan Project.
Takala worked at the 100-F Area at Hanford during the Manhattan Project.
Joseph Hans worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
