National Museum of Nuclear Science & History
Winfield Sylvester was a staff worker at Los Alamos during the Manhattan Project.
Monsignor William Sweeney studied for the priesthood in Worcester, Massachusetts, and came to Washington state in 1938.
Margaret Caldes moved to Los Alamos when her husband, William E. Caldes, was recruited to join the project in 1943.
Richard "Dick" Skancke was a security guard at Los Alamos during the Manhattan Project from late 1946 until late 1947.