National Museum of Nuclear Science & History
Margaret Caldes moved to Los Alamos when her husband, William E. Caldes, was recruited to join the project in 1943.
A Missourian by birth, W.K. ("Mac") MacCready held undergraduate and graduate degrees in physical chemistry from the University of Alabama.
Henry Ward worked for the United States Engineer District Office.
Charles Schallis (1898-1965) was a staff worker at Los Alamos during the Manahttan Project.
